If you want frugality but with the familiarity of filling up at a gas station, these days the Prius isn't your only hybrid ...

Lithium-ion batteries are currently the most energy dense batteries we have on the market. Energy density is the amount of energy you're able to store in a given amount of space.

Keeping your Tesla’s software updated and checking its energy use can help you get the most mileage on a Tesla. Simple things ...