Awake at the Wheel

With the Challenge X Competition, GM posed university students across the US with a challenge: How do you re-engineer a Chevrolet Equinox Crossover SUV to maximize fuel efficiency and minimize pollution? Their answer: direct-injection diesel engine fueled by B20 biodiesel. In fact, all three of the top placing teams in GMs Challenge X Competition employed B20 biodiesel. Read more at the daily green.

The team’s turbocharged direct-injection diesel engine fueled by B20 biodiesel was 38% more fuel-efficient than the original, produced 44% less pollution but managed to improve quarter-mile acceleration by 1.6 seconds.