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My "controlled" experiment

Ampere

Active Member
Verified Owner
Joined
Jun 22, 2022
Messages
122
Cars
Honda Accord Hybrid
I drove round-trip of about 290 miles between my home in central Illinois and Oak Park, a Chicago suburb, this past Sunday. The temperature was 75 degrees. Wind light. There is a 500 foot elevation difference between my home and Oak Park. I drove at 73 mph mostly on cruise control (the speedometer showed 75, but my Lucid is 2 mph optimistic). 99 percent was expressway/Interstate driving. We set the air conditioner for 72. Tires were inflated to the specified 49 psi.for 19-inch wheels. Two adults and a 37 pound dog. No cargo.

The Lucid Touring achieved 3.7 miles/kwh, which I consider respectable. There was one fly in the ointment, a massive wreck on I-57 stopped traffic for half an hour on the way home. We turned off the AC and lost 1 percent of charge while idle (it was dark and the lights were on).

As an aside, there was an Electrify America charging station half a block from the restaurant where we were dining. Of the eight terminals, four were inoperative. However, for the first time, we plugged in and EA recognized the Lucid and began charging at 110 kw/h (ultimately falling to 50 kw/h). I even received an email receipt from Lucid verifying the charging session. That's never happened before.
 
A big part of efficiency is driving style. Interstates (at least in the Midwest and East) seem to have vehicles going 80-85 in the left lane and trucks going 68-70 in the right lane. The question is at 72-75 mph, how do you negotiate passing slower moving vehicles? Optimizing that technique is worth 0.2-0.4 or more of added efficiency.
 
I just stay in the middle at whatever speed limit I want. People are able to pass me on the left, or go slower in the right. It's a happy medium.
 
I drove round-trip of about 290 miles between my home in central Illinois and Oak Park, a Chicago suburb, this past Sunday. The temperature was 75 degrees. Wind light. There is a 500 foot elevation difference between my home and Oak Park. I drove at 73 mph mostly on cruise control (the speedometer showed 75, but my Lucid is 2 mph optimistic). 99 percent was expressway/Interstate driving. We set the air conditioner for 72. Tires were inflated to the specified 49 psi.for 19-inch wheels. Two adults and a 37 pound dog. No cargo.

The Lucid Touring achieved 3.7 miles/kwh, which I consider respectable. There was one fly in the ointment, a massive wreck on I-57 stopped traffic for half an hour on the way home. We turned off the AC and lost 1 percent of charge while idle (it was dark and the lights were on).

As an aside, there was an Electrify America charging station half a block from the restaurant where we were dining. Of the eight terminals, four were inoperative. However, for the first time, we plugged in and EA recognized the Lucid and began charging at 110 kw/h (ultimately falling to 50 kw/h). I even received an email receipt from Lucid verifying the charging session. That's never happened before.
A/C is the biggest variable in my efficiency. I live in LV, which requires A/C during the summer all the time.

Prior to mid June, my lifetime efficiency was 3.9. From then until this week, it dropped to 3.8 but that includes all lifetime miles. Even monitoring "Since Last Charge" without phantom drain, i rarely hit 3.7, usually 3.5. So during the summer, simply by running the A/C, efficiency has dropped at least 0.3-0.5 - a substantial impact.

Now that I'm driving without A/C much of the time, I'm back to 3.9 and I've been driving less conservatively.

I would be interested in seeing your experiment again next time, when you don't need to run A/C.
 
I just stay in the middle at whatever speed limit I want. People are able to pass me on the left, or go slower in the right. It's a happy medium.
There is a reason that official state driver's manuals tell you to move to the right until you are either all the way to the right or you are moving with or faster than the traffic in that lane. People who do what you do are what is clogging all the roads up as drivers have to switch lanes constantly. Please stop doing that!
 
There is a reason that official state driver's manuals tell you to move to the right until you are either all the way to the right or you are moving with or faster than the traffic in that lane. People who do what you do are what is clogging all the roads up as drivers have to switch lanes constantly. Please stop doing that!
Every highway here in Utah is 4-6 lanes, the very specific lanes you are talking about is 2 laned interstates when going from state to state.
I'm always in the right or in the middle depending as in Utah, many right lane's highways merge off to an exit.

So no, I'm not causing any clogging. In fact, I'm ACC tailing the person in front of me usually.
 
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