The main thing they can build but not sell is lean burn engines because the Ethanol Production Agency (the EPA) decided NOx is the root of all evil and must be eliminated at all costs.
Lean burn engines produce a little more NOx get a lot better fuel milage.
So what do you think will make the gasoline engine super efficient again?
An air fuel mixture that detonates near top dead center?
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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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