For Toyota, the future of cars is vapor -- in a good way.
At the Consumer Electronics Show, the automotive company on Monday talked up its big bet for electric cars: fuel cell technology, which boasts no emissions but water vapor. The cars will hit the market in 2015, Toyota said.
While a competitor like Tesla uses pure battery power to make its vehicles run, Toyota's offering -- the first of its kind to be put on sale for consumers -- uses hydrogen to generate electricity on board the car. In layman's terms, here's how it works: Pure hydrogen is pumped into the tank and combined with air to create water, a reaction that also produces electricity. The fuel cell channels the electricity to a drive motor, powering the car.… Read more