Car Tech 101: Inside natural-gas cars Natural gas -- you can run a car on it and costs about $2 a gallon. Why are we burning anything else? A number of reasons today, maybe few or none tomorrow.

Brian Cooley is CNET's Editor at large and has been with the brand since 1995. He currently focuses on electrification of vehicles but also follows the big trends in smart home, digital healthcare, 5G ...