Moonshot approach 'that is worthy of the ambitions of a can-do nation'
Justice Department opens case after Ford alerts EPA to possible problem.
Compromise plan will likely require small annual gains in mileage.
'The public has a right to see all the facts,' says CARB.
Accused of conspiring for eight years to block use of devices for both gas, diesel.
This involves catalytic converters, and more cars may be implicated.
Not to mention the 20 other states who are backing California in the fight
Looks like the fuel-efficiency fight is headed to court.
The math is being checked on the Ranger pickup, for starters.
Part of its drive to have net-zero greenhouse emissions by 2050.
There was a miscalculation of wind resistance.
New models can't get EPA-certified.
First-of-its-kind regional program could give states another tool to manage emissions.
From Congress to Facebook ads, Marathon Petroleum used every trick.
Automakers are urging a compromise on nationwide emissions rules.
This follows last week's 35 percent target for passenger vehicles.
AMG boss says finding a steady idle was challenging.
Air quality board says automakers must still meet Obama standards.