Cost of mpg fuel standards could be 40% lower, report says

Technologies such as turbochargers, advanced transmissions and lighter materials -- aluminum instead of steel, for example -- could reduce fuel efficiency compliance costs by 34 percent to 40 percent per vehicle from 2022-25, the International Council on Clean Transportation said in a new report.

| UPDATED: 3/21/17 4:46 pm ET - adds details

GM's Opel cleared on diesel emissions by French watchdog

France's consumer fraud watchdog cleared GM's Opel unit of suspected diesel-emissions cheating. The watchdog has previously sent files to prosecutors

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