They tax the fuel as well, don’t you worry.
replySure, but they could have taxed it more and not have any official fuel efficiency standards.
reply(And compared to most of Europe or Singapore, US fuel is taxed very lightly, and their CAFE standards are especially stupid. Especially since their loopholes led to the replacement of practical station wagons with silly and dangerous SUVs. With a more car-agnostic fuel tax, this wouldn't have happened.)
You stumbled onto the pain point. The problem isn’t the intention but the execution. The EU historically has done a better job at nailing the execution of this type of regulation.
replyIf it slows down innovation is debatable but even so there’s still a solid principle behind it, a small speed reduction can grant a huge efficiency gain. It’s usually a worthwhile compromise. You don’t run tour engine only in the red zone because that’s where it makes the most power.
> [...] a small speed reduction can grant a huge efficiency gain.
replyAnd customers directly benefit from the efficiency gain by burning through less fuel. So no need to decide for them.
The externalities affect everyone, including people who dont own cars.
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