If you’re talking about hybrids then this is far from proven, and we’ve had this argument before.
And to be fair, now the big manufacturers are really driving hybrid tech, the strategies and useability (and lifetime) of the hybrid tech is jumping (almost) weekly.
Even 2 year old stuff is pretty much stone age in hybrid terms, as it will have been designed 4-5 years ago, using 5-7 year old cutting edge technology. Such was the design cycle of a car.
We’re now getting stuff/ideas/concepts from the manufacturers and looking at putting it in to cars we are already developing……..
FWIW The penalties for not reducing tailpipe emissions AND whole lifetime emissions are going to be horrific in 5-8 years time. No one has actual numbers, but we are talking thousands per car for the higher emissions bands. Which is (for some) the difference between staying in business and not.
And 10 years ago, hell, even 5 years ago i’d not have had a hybrid unless it was half the price of an equivalent conventional powertrain. Too many compromises and nowhere near good enough.
Seriously looking at hybrid for the next lease car, then possibly electric after that. And that’s including a 100 mile a day commute.