Speed is a constant: 100 mph will always be 100 mph. But the source of speed is up for grabs -- especially since we may have reached peak oil. Will high-speed hydrogen or all-electric cars dominate our roads one day?
CAR TRENDS & INNOVATIONS
How do self-parking cars and car computers work? What is drifting? Read the answers to these and other questions in the Trends & Innovations Channel.
More To Explore