BMW’s Ominous Black i8 Fuel-Cell Prototype: What It Sounds Like (Video)

BMW i8 hydrogen fuel cell concept

Very, very few people on the planet have ever seen a car powered by hydrogen fuel cells, much less ridden in or driven one. But if you’ve wondered what they sound like in operation, now’s your chance. At a recent technology presentation, BMW showed off two different prototype vehicles powered by hydrogen fuel cells, part of its technology… …read more