The case for high-speed, low-impact train travel is clear, and many governments have ambitious high-speed train plans in the works. But are they realistic? An evaluation of proposals for the 200-mph trains of the future, in their order on the horizon.

Hybrid-electric bus operators are beginning plans to retrofit their fleets to provide electricity to homes and businesses during emergencies.

If technology like emergency braking, lane monitoring and even parking can be automated, you’ll want to gobble this stuff up in no time. Volkswagen recently showed us a few prototypes that will soon take robots to the road.

Bike manufacturers big and small are breaking all their old rules to cater to a new generation of bike commuters. A dispatch from the reinvented world of the no-fuss two-wheeler.

Jamie Hyneman breaks down his team's most recent eye-popping experiment: rolling out a Ferrari, Harley, ATV, compact car and hand-built go-kart to the track, and pitting each against its electric-propulsion counterpart.