Feel guilty about the gas you burned on your spirited Sunday drive? Atone with Eco Pro mode.
How can headphone technology increase a vehicle's fuel economy? Well, the truth is, it can't. Not directly, anyway. However, by employing an active noise cancelling system similar to what's used in some of today's high-tech headphones, General Motors solved a problem that would've otherwise plagued the GMC Terrain. In doing so, GM managed to squeeze another mile or two out of each gallon of gas put into the Terrain for an EPA rating of 32 miles per gallon highway.
Nissan rep discussing Leaf's eco mode – Click above to watch video after the jump