One thing that always puzzled me was how the gas engines in hybrids were so efficient. Technology Connections has a great video explainer: <a href="https://www.youtube.com/watch?v=KnUFH5GX_fI" rel="nofollow">https://www.youtube.com/watch?v=KnUFH5GX_fI
tl;dw: constant RPM and a weird stroke geometry where the power stroke is longer than the other strokes to extract more energy from the expanding gasses.
I'm surprised there isn't more effort to create hybrids in reverse--an electric car with optional gas generator. The gas generator could run at constant speed, never changing RMP, while the battery handles constant changes in acceleration. The idea is not mine. I've heard about it in China
Range extender EVs made a lot more sense a decade a go when batteries were much more expensive, and fast chargers were not yet ubiquitous. Then range extenders were more affordable than EVs and could go to places EVs couldn't.
Now these EREVs are mostly luxury niche of big cars (where extra space taken by two power trains doesn't matter) for people who don't want to spend 20 minutes at rapid chargers on that yearly long trip they do. Or for people who live in some global warming ignoring backwater[1] that hasn't built out rapid charger yet.
[1] even China has ubiquitous fast charging network now
I feel like this road trip thing is over exaggerated. What if we (as a society) rented a Toyota Sienna or something equally boring when we need to go on a road trip?
The cost of a rental car for a week is high - you can pay for a lot of gas for the cost of renting a car a few times a year.
More than one person I know has tried to rent a car and discovered they didn't have any on the day they went to pick it up. If your car can make the trip you avoid all the issue.
Note the above is about road trips. If you are flying (or taking the train) someplace than you will rent anyway (or have some other plans). However one of the advantages of road trips is you take your own car.
gcanyon · · focus · HN ↗
tl;dw: constant RPM and a weird stroke geometry where the power stroke is longer than the other strokes to extract more energy from the expanding gasses.
jostmey · · focus · HN ↗
happosai · · focus · HN ↗
Now these EREVs are mostly luxury niche of big cars (where extra space taken by two power trains doesn't matter) for people who don't want to spend 20 minutes at rapid chargers on that yearly long trip they do. Or for people who live in some global warming ignoring backwater[1] that hasn't built out rapid charger yet.
[1] even China has ubiquitous fast charging network now
whatever1 · · focus · HN ↗
The capacity issue is specially evident on long weekends or sundays when everyone needs to use the same few chargers.
collabs · · focus · HN ↗
bluGill · · focus · HN ↗
The cost of a rental car for a week is high - you can pay for a lot of gas for the cost of renting a car a few times a year.
More than one person I know has tried to rent a car and discovered they didn't have any on the day they went to pick it up. If your car can make the trip you avoid all the issue.
Note the above is about road trips. If you are flying (or taking the train) someplace than you will rent anyway (or have some other plans). However one of the advantages of road trips is you take your own car.