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Fuel log graph
Efficiency log for: Electric Cycle - 1981 Kawasaki KZ440
  • Lifetime Fuel Economy: 327.07
  • 90-day Fuel Economy: 334.6
  • 3-tank Fuel Economy: 384.62
  • EPA Rating (% over): 60 (0%)
  • Total fills: 10
  • Average cost per gallon: $0.37
  • Average cost per fill: $0.03
  • Average cost per mile: $0Total gallons used: 0.46
  • Total miles traveled: 151.04
  • Total cost: $0.17
  • Total saved: 2.06 gallons
  • Total saved: $0.76
  • Average tank distance: 15.1
Fill date Distance Fill amount Price MPG Details
2008-08-20 7 mi. 0.0202 US gal 346.53 US typical ride. Work and back plus errands
2008-07-24 11.5 mi. 0.039 US gal 294.87 US Brake was dragging?

When I was going 45, I could really see the voltage drop, maybe the brake sticking? Just wind resistance?, not sure

This run was mostly north of my house, where it is all 45 mph.
2008-07-22 33.5 mi. 0.076 US gal $0.37 440.79 US Did sort of an "endurance run" to see how far I could go on a charge.

A lot of this was on slow roads.
2008-06-25 16.4 mi. 0.05 US gal 328 US To and from my parents's house. Dinner with relatives. Show off the cycle.
2008-06-05 7.5 mi. 0.0246 US gal 304.88 US charge right after controller blew
2008-06-04 11.6 mi. 0.037 US gal 313.51 US Charge with new 48V charger
2008-05-25 28.54 mi. 0.1 US gal 285.4 US Riding double to and from farmers market.
Drove pretty slow. Went through 25, 15, 45, 25 mph zones.
2008-03-20 5 mi. 0.015 US gal 333.33 US calculation based on converting watt hours used to recharge to BTUs to gasoline.

Some rounding errors due to using such small numbers compared to gasoline. Economy should be right about 321 MPG for this trip
2008-02-13 15 mi. 0.05 US gal 300 US Dummy fuel log entry - just an average of previously recorded real-world economy to make show up with my avatar.
2007-10-01 15 mi. 0.05 US gal 300 US Doesn't use gas! Uses electricity! I am substituting the COST of electricity from my wall - (including taxes and everything, not just KWH price) compared to the same amount of cost of gasoline.

Seems like the most practical way to calculate - also, my "MPG" increases as gas cost goes up!

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