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Old 09-04-2018, 07:49 PM   #51 (permalink)
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Some of the 12 to 5 volt USB inverters make lots of RFI. I wouldn't call .1 uF honkin, I have a 100 uF, a 1uf and a .1 uF(100 nF) on my fuel pump, connected right at the pump.

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Old 09-04-2018, 08:07 PM   #52 (permalink)
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Quote:
Originally Posted by arcosine View Post
Some of the 12 to 5 volt USB inverters make lots of RFI. I wouldn't call .1 uF honkin, I have a 100 uF, a 1uf and a .1 uF(100 nF) on my fuel pump, connected right at the pump.
The 0.1uF isn't honkin. The Big Honkin Filter I described in an earlier post (https://ecomodder.com/forum/showthre...tml#post559342) in this thread is honkin. That cleared up most of the noise (mostly from the ignition system). The 0.1uF on the HVAC blower motor cleared up the little bit of noise left from that. The 12 to 5V inverter also wasn't a problem (I used a good one, and there was no noise with the engine off).
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Old 01-08-2020, 05:28 PM   #53 (permalink)
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Just updated my fuel log for 2019.

My average fuel economy for a one year period has gotten a tiny bit worse, going from 5.48L/100km in 2018 to 5.62L/100km in 2019. However, the total amount of fuel I've used has gone way down! In 2018, I used 1,271L of fuel and drove 23,244km. In 2019, I used only 936L of fuel and drove only 16,693km.

I achieved that reduction by working from home 3 days a week (beginning at the end of March), and ironically, that's also why my fuel economy got worse. Before, I'd go into town 4 or 5 days a week, and usually drive within town to do errands 2 of those days. Now, I go to town 2 days a week, and still do errands on 2 of those days. Thus, my proportion of city driving has gone up.

But, there's an additional saving not reflected in the figures. Our second vehicle is a Chevy 1500 6.0L Turbo Diesel, which we use for hauling the horse trailer. My wife also used it when she had to go out (maybe once a week), and it uses about 13L/100km when not towing. Now, she tries to schedule her appointments for days that I'm at home, so she can take the Saturn instead. Although she's a bit less efficient with it than I am (e.g. she doesn't use the kill switch), she still uses less than half the fuel that the truck would have used.

So in addition to the 335 less litres of fuel I used in 2019 vs. 2018, we've probably saved around 70 more litres by using the car for trips that the truck would previously have been used for. In addition to the cost savings, that works out to about a ton less CO2 emitted.

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Last edited by stefanv; 01-08-2020 at 05:40 PM.. Reason: Clarifications
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