I guess we'll all have to have drive Flintstone pedal cars to be able to meet these standards. Laws of physics don't apply to Democrats and enviro-nazis.
The answer is not complicated -- California is proposing a stupid idea.
TWO PART ANSWER:
A) The "key House Democrat is a blithering IDIOT.
B) California's law is entirely infeasible; the prop0sed standards simply could NOT be met in the allotted timeframe. Had the law been implemented, come January 1, 2016, nothing larger than a bicycle would be found on any road anywhere in California. yeah, it might have been Utopia for a few days; then the economic reality would set in.
Nostrildumbass