SEC investigates Musk’s Tesla tweet, Land Rover plug-in pricing, and CX-5 diesel ratings: Today’s Car News

2019 Land Rover Range Rover P400e PHEVFederal financial regulators may be investigating Tesla CEO Elon Musk's tweet about taking the electric-car maker private. Land Rover releases pricing and specs for the Range Rover plug-in hybrid SUV. The EPA rolls out official fuel economy ratings for the Mazda CX-5 diesel. The California Air Resources Board threatens to stray from the EPA if...