The fee collects money for roads from hybrid and electric vehicle owners who don't pay as much in gas taxes as other drivers.

Companies showed off a variety of innovations including autonomous trucks and new hybrid diesel-electric engines.

The racing series announced Thursday it will integrate a hybrid powertrain into its cars beginning in 2022.

The Ram 1500 is capable of towing up to 12,700 pounds or hauling 2,300 pounds, and while final ratings have not been released, city and combined fuel economy are expected to rise 2-MPG.

Twenty years on, the Prius is still a vision of the future. Auto correspondent Casey Williams says it looks, drives, and charges like a next-decade ride.

Over 15 years ago, Lexus took a lead role in the movie "Minority Report" starring Tom Cruise with a bright red concept called the 2054. Today, Lexus presents a production car that's nearly as cool as the concept.

Whoever said a compact fuel-sipping hybrid couldn't also be cool?

If Chevrolet is not among the auto brands that come immediately to mind when thinking of fuel-efficient hybrids and diesels, adjust your brainwaves

Its sleek flashy body with glistening lighting only serves to draw attention to the technology beneath the shredded sheetmetal.

The new Bolt is just the last in a long legacy of electric vehicles and commuter cars from General Motors.