When will the U.S. ban sales of new cars with engines? Take our Twitter poll

Bugatti Chiron Scale Engine and GearboxTo many, many drivers and car owners, the idea that the internal-combustion engine could go away is almost beyond comprehension. It's been with us for a century, it's vastly expanded both freedom and economic opportunity for hundreds of millions of people worldwide, and it's wrapped into our daily lives. And yet, we're starting to see discussion...