0000-00-00	15108	306.7		49.26	"Astute observers will notice there is no way a VW can hold 306 gallons of fuel. In the interest of time and accuracy I have added up all my entries since I purchased the car used in May of 07 so this will show a true lifetime fuel log. I will add individual entries beginning in 2009."
2008-12-30	756	15.56		48.59	""
2009-02-01	764	15.2		50.26	""
2009-03-16	587	12.3		47.72	""
2009-04-09	717	14.78		48.51	"This tank included a highway blast to Moab with speeds up to 75 and 80 with A/C on (by my wife). She loves to drive this car."
2009-05-03	659	11.11		59.32	""
2009-05-16	915	16.6		55.12	"I did a 1 gallon fuel stop to reach 915 miles on this tank. I have driven over 800 miles on a fill-up on previous tanks though."
2009-07-29	775	15.36		50.46	""
2009-09-24	815	15.56		52.38	""
2009-11-28	836	15.36		54.43	"Another 800+ mile tank. I have the winter grill blocks and coroplast upper grill cover on for cold weather."
2010-01-24	495	8.932		55.42	"This was not a complete fill so mpg is higher than it should be"
2010-02-10	756	15.56		48.59	""
2010-03-18	791	15.52		50.97	"Not bad for winter."
2010-04-25	833	14.73		56.55	"Mostly highway without A/C"
2010-06-03	738	15		49.2	""
2010-07-03	860	15.65		54.95	"860 miles on one tank, mostly highway. I love this car!"
2010-07-31	770	13.82		55.72	"I added a 7/8ths (almost full?) coroplast belly pan partly through this tank. I did some high speed interstate driving with passengers, luggage and the AC on and still managed 55 mpg. The belly pan seems to be helping."
2010-09-01	706	13.32		53	"The belly pan seems to be making a big difference. I did one of my normal routes and got 67 mpg for the 45 mile trip according to the Scanguage, driving the same way as before."
2010-10-16	786	14.72		53.4	"My wife did a high speed 500 mile trip on this tank and still got over 50 mpg. On one of my more regular drives I have been getting into the 60s on the Scanguage since the addition of the belly pan. The log doesn't show much improvement because of all the faster driving since the install."
2010-10-16	235	5.325		44.13	"high speed testing of the belly pan and no problems whatsoever. MPGs took a hit though. 44mpg is not too bad for the speeds driven that day."
2010-11-09	910	15.81		57.56	"My first 900 mile tank. This tank was mostly highway miles with me driving for most of it. Mpg goes down somewhat when my wife is driving. I did have some big stretches of driving at 65-70 mph at 7,000 ft. above sea level or higher."
2010-12-27	803	14.61		54.96	"winter conditions and studded snow tires. the belly pan is holding up fine, even when pushing snow with the skid plate."
2011-01-16	827	15.17		54.52	""
2011-02-21	834	15.4		54.16	""
2011-05-26	754	14.5		52	""
2011-06-20	838	14.42		58.11	"This would easily have been a 900 mile tank but my wife was going out of town with the car so I filled up before the fuel light came on."
2011-07-15	661	11.93		55.41	"I just discovered a commercial source of biodiesel diesel in my area. This is the first fill-up with B20. We will see how this impacts mpg. Among the reasons for using a biodiesel blend are better lubrication of the fuel injection parts than straight diesel."
2011-08-20	881	15.75		55.94	"Almost 900 mile tank on B20! I had enough fuel to reach 900 but I wanted to fill with biodiesel and the station is 50 miles from my home. I would have had to drive around for 20 miles to reach that goal."
2011-09-11	960	16.582		57.89	"I topped off this tank with an additional 4 gallons of B20 to get this 960 mile tank. This tank included two trips over the summit of Rocky Mountain National Park at 12,000' above sea level. The fill-up in Estes Park shut down before a full fill and I could not get it to take my credit card so I topped off in Steamboat to get an accurate fill-up."
2011-10-16	832	14.88		55.91	"I refilled 100 miles early to fill at the B20 pump. BioD doesn't seem to hurt my mpg if the last few tanks are any indication."
2011-12-31	800	15.9		50.31	"Topped off with a ""winter blend"" today. Cold temps, studded tires and lots of short trips, town driving."
2012-03-25	791	15.9		49.75	"Lots of cold start, short trip winter driving on this tank."
2012-04-21	335	5.89		56.88	"This was a short fill but I wanted to top off with B20 now that the sub-zero temps are over. I had a few highway trips and mileage is back on the way up."
2012-06-06	245.6	4.56		53.86	"I topped off at the B20 pump at the start of a long highway trip."
2012-06-07	724	15.285		47.37	"This tank was at 70 mph with a passenger, luggage, back seat and full sized spare, A/C and 30 mph crosswinds. Yuck. (I guess I shouldn't complain about 42 mpg @ 70 mph with A/C on full blast) Only fellow Ecomodders would get it."
2012-06-10	700	15.27		45.84	"Still on the highway with strong winds, high speeds and constant A/C use. This was a road trip clear across Kansas. Hot windy Kansas. I am sure the dense, low elevation air also hurt my highway mpg. There is a drive I often do into Wyoming where the elevation in Colorado and Wyoming are about 8,500' for much of the trip and my mileage goes way up on those legs of the trip."
2012-10-07	928	15.858		58.52	"900 miles on one tank of diesel! Summer highway driving with limited use of A/C results in 58 mpg."
2013-03-10	779	14.94		52.14	"This car was not driven over the winter this year. I injured my right heel and couldn't drive a manual trans. Glad to be back in my TDi."
2013-06-20	864	14.53		59.46	"This tank I tried out an improvised ice vest so I can drive in summer without using A/C as much. It seems to really help my comfort and summer mpg."
2013-08-07	704	11.86		59.36	"I am experimenting with an improvised ""ice vest"" to limit the use of A/C. Over the last two tanks the results look very promising."
2013-10-14	716	11.75		60.94	"I finished the summer experiment with the improvised ""ice vest"". Summer fuel, warmer thinner lower drag air and no A/C used has resulted a personal record tank! 61 mpg at highway speeds! I use engine ON coasting on hills and DFCO engine braking when I need to decelerate. I wish I could have driven the tank to empty. I still had a third of a tank left when I refilled."
2013-11-23	960	15.82		60.68	"First full tank since the Malone tune and mpg numbers look really good. I was on track for a record tank but the last 200 miles was done with studded snow tires and cold temps which hurt my E-On coast distances. Some 50 miles of this was done in a snowstorm with slushy roads, lights, wipers and defrosters running."
2013-12-15	870	15.9		54.72	"Winter driving, very cold temps, lights, defrost and accessories on. I think it is time for a thermostat too."
2014-03-15	888	15.126		58.71	"Still winter driving on studded tires."
2014-08-05	982	16		61.38	"Almost 1,000 miles on 16 gallons! Lots of E-On coasting, summer driving and very limited use of A/C. This is a new personal record. Must add boattail!"
2014-10-10	941	15.12		62.24	"Summer driving, all highway. I believe the 207º Stant Superstat thermostat is really helping these last few tanks. Also I did a Malone smart EGR tune and it runs smoother and has less carbon on Italian tune-ups."
2014-12-24	801	15		53.4	""
2015-01-31	660	12.5		52.8	"Winter driving in frigid cold, many miles in snow and slush covered roads."
2015-03-03	813	14.731		55.19	"Warmer weather, mileage is creeping back up. Still running studded snow tires though."
2015-03-20	117	2.24		52.23	""
2015-07-01	770	14.83		51.92	"This tank included Western U.S. Interstate driving at speeds close to the speed limit (sustained 70mph) with a passenger and luggage and lots of A/C use to keep everyone happy."
2015-10-18	813	13.73		59.21	""
2016-04-10	941	16.233		57.97	"This was not a true 900 mile tank. I added 2 gallons to get to my home pump where I have fuel discount points. Mostly highway, back to spring driving."
2016-06-15	903	14.82		60.93	"Summer driving with A/C off."
2016-07-25	1216	20.5		59.32	"I had a partial fill so this was not a true 1,216 mile tank. I had passengers and a bike rack part of the time and some A/C use."
2016-08-22	685.7	11.315		60.6	""
2017-05-03	833.8	15.6		53.45	"I kept the car out of the elements over the winter and drove the CRD Grand Cherokee instead so this was my first fill up of the season."
2017-07-18	930	15.25		60.98	"Summer highway miles. No A/C but using a cooling towel around my neck."
2017-10-21	790	13.68		57.75	""
2018-01-18	763	14.75		51.73	"Lots of short trips in town on this tank is hurting my mpg average. Even though this winter has been unusually mild in the Rockies, I haven't been riding my bike as much for commuting."
2018-03-21	817	15		54.47	"Still on studded tires and winter temperatures."
2018-05-31	827	14.379		57.51	"I was slow getting the studded snow tires off until just before this fill-up."
2018-10-28	838	15.249		54.95	"Summer driving, minimal use of A/C. Cooling towels in a small cooler with ice are the bomb."
2018-12-12	778	14.2		54.79	"Pretty good mileage for winter driving with studded snow tires."
2019-01-23	700	14.63		47.85	"I needed a clutch so while the tranny was out I had a lifted slip differential installed. The good news is it really seems to help traction in snow on unplowed sections getting to the trailhead. So far there seems to be no mpg penalty. The lower numbers on this tank are from shorter trips around town."
2019-02-10	797	14.46		55.12	"Sub zero temps and wife and friends using the car for part of this tank. Still managed 55 mpg."
2019-03-04	804	14.73		54.58	"Lights, defrost fan, cold temperatures and studded tires conspire against my mpg."
2019-03-22	816	14.97		54.51	"Not bad for winter driving."
2019-04-27	852	15.2		56.05	"I am still running mostly worn out winter tires. I hope to change out for summer tires soon and summer mileage to start creeping up."
2019-06-02	770.5	14.33		53.77	"After years of trying to maximize mileage in the diesel Golf I find I am driving faster (closer to the speed limit) and worrying less about mpg. This tank had some heavy use of A/C as well."
2019-09-24	745.7	13.75		54.23	""
2019-11-07	755	13.87		54.43	"Still on summer tires without using AC."
2020-01-20	784	14.9		52.62	"Studded tires, cold temperatures and lots of lights, wiper and defrosters running."
2020-02-06	729.6	13.94		52.34	"Winter driving in bad weather means lots of use of defrosters front and rear, wipers, head and taillights, slushy roads and heavy studded snow tires."
2020-03-19	735.8	14.63		50.29	"More winter driving."
2020-07-20	767	13.96		54.94	"Summer driving on summer tires"
2020-09-02	816.2	15.42		52.93	"Summer driving. Some A/C use due to terrible wildfire smoke in Colorado."
2021-02-09	790.3	14.8		53.4	"Winter driving but it has been warmer and drier than usual in Colorado up to now."
2021-04-12	810	15.3		52.94	"New Bridgestone Ecopias are mounted on alloy rims for summer. They feel like they really do roll better even though they are brand new. I was having fun driving the Golf on some great mountain roads for this tank. Definitely not hypermiling but pretty good mpg regardless."
2021-04-19	658	15		43.87	"This tank took me from my home to Lincoln NE. This was the start of a road trip to PA to visit family. The Interstate speed limit is 75 mph across WY and NE so my goal was to travel “5 over” for the trip to see what impact it would have on mpg. I had strong winds out of the northeast for much of the trip."
2021-04-20	700	14		50	"This tank took me into eastern Indiana with slightly lower winds from the north."
2021-04-24	655	13.6		48.16	"Still on a high speed road trip to western PA. My “5 over” rule for the trip meant setting the cruise control at 70 mph for the day. There was a lot of wind, mostly crosswinds and headwinds. Part of this tank included running around in Erie city traffic."
2021-04-24	734	15.629		46.96	"I filled up the morning I started my return trip to Colorado. This tank took me to Iowa City IA. The wind was a headwind while I was traveling but the front moved through so then it was out of the northwest as I was heading northwest. I had lots of wind and high speed interstate driving. In Iowa the posted limit was 70 so I set the cruise control to 75 mph."
2021-04-25	521	12.456		41.83	"This was a short fill because I had a mass air flow sensor acting up and it threw the instant mileage on the ScanGuage off and was reading lower than hand calculated. I started driving before daylight and had a couple of hours before the wind got really ugly again. The rest of the way across Iowa, all of Nebraska, and Wyoming the wind was 20-30 mph out of the north. It was pushing me around all day. Despite that it was full steam ahead with the cruise set to 80 and even 85 in part of WY."
2021-04-26	429.4	9.629		44.59	"This tank took me the rest of the way across Nebraska, part of Wyoming and part of Colorado to my home. Terrible wind and a “check engine light” for a failed MAF. It is a short fill so I could calculate the total miles and mileage for the trip."
2021-07-23	796.5	14.34		55.54	"I am back to driving my local two lane roads for most of this tank. I am using A/C some and have been driving a little faster than when I was really hypermiling hard. This is the first ""normal driving"" tank on the Bridgestone Ecopias."
2021-12-21	793	15		52.87	"It was terribly hot and smokey from wildfires all over the Western US this summer so I was not driving to my favorite biking spots as much. My fill-up from July lasted me till the winter solstice. When I did drive I was driving faster than in the past."
2022-02-11	769	15.1		50.93	"Winter driving with studded snow tires."
2022-03-11	609	11.5		52.96	"This fill was a top off to start a trip to Wichita KS. This tank was done with all the winter mpg killers in place; cold temperatures, studded tires, lights, wipers and heater fan running."
2022-03-14	741	15.1		49.07	"This tank took me all the way to Wichita at close to the posted interstate speed limits. This was the first tank on a new set of Toyo Celsius “all weather” tires. The look like regular all season tires but they have the 3 peak “mountain snowflake” designation. They have amazing snow traction but ride smooth and quiet on dry roads. They seem to return better mpg than the studded snow tires."
2022-03-14	618.5	15		41.23	"This tank took me most of the way home to Colorado. I had dry roads but it was terribly windy for this leg of the trip. My mpg was killed by the steady 30 mph winds out of the northwest. For good mpg do not drive across KS or NE when it is windy. It is almost always windy in the Midwest."
2022-05-02	718	14.53		49.42	""
2022-06-05	794.3	14.5		54.78	"summer driving on Bridgestone Ecopia summer tires."
2022-06-19	575.7	11.3		50.95	"Since fuel has become so expensive we have been doing lots of weekend trips in the VW. We have my wife and myself and lots of luggage. We both have spring allergies so we have been using the A/C on ""recirc"" non stop. Much of the time we have been driving ""5 over"" the limit and still the TDI has been returning decent mpg."
2022-07-14	786.7	15		52.45	"Since fuel prices spiked this spring we have taken many out of town trips in the Golf instead of my wife's Audi. This has required sustained high speed driving and more use of A/C to keep everyone happy. MPG has been surprisingly good. Perhaps I should have purchased Ecopias long ago?"
2022-10-17	775.4	13.9		55.78	"Summer driving."
2023-02-28	668.6	14		47.76	"Winter driving with studded tires."
2023-04-10	667.5	12.8		52.15	""
2023-04-30	671	13.3		50.45	"This tank was at the start of a hiking trip in southern Utah. I had the “All Weather” tires on and recently did an intake cleaning. The diesels get blow-by oil and exhaust gas in the intake plenum and gunk it up. It is amazing that some of the VW diesels still run, they are so plugged up. I use a catch can and a tune that only introduces EGR during warmup so my car made it to 125,000 miles before I felt motivated enough to remove the intake and clean it out. It does seem to run better and smoother. My mpg is not up due to extended periods of 75 mph driving."
2023-05-09	764.3	15.1		50.62	"This tank got me home from my big Utah trip. There was lots of high speed driving but the newly de-boogered diesel still got 50 mpg for the trip."
2023-07-01	782.4	14.8		52.86	"Summer driving."
2023-12-06	744.8	14		53.2	"Winter driving on ""All Weather"" tires."