California is stupid. Mandating which tires people can put on their car isn't going to do anything towards fixing them owning the top 7 or so spots for most air polluted cities in the US.
I guess they just want to look like they are doing something.
They really think forcing people to buy a certain tire will "significantly reduce fuel consumption" wow they are really on something. We already know going from an economy class tire to the best or one of the best fuel economy tires only nets about a 5% gain. On a pickup or SUV going from the worst mud tires to a highway tire nets less than 10%.
As we have established people who wear out set after set of mud tires or aggressive all terrain tires with 99.99% highway miles don't care about fuel economy at all.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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