NORTHFIELD, Minnesota (AP) — In the shadow of Carleton College’s majestic wind turbine, Daniel Pulver has cooked up an idea for creating even more renewable energy: turning used cafeteria oil into fuel for cars.
NORTHFIELD, Minnesota (AP) — In the shadow of Carleton College’s majestic wind turbine, Daniel Pulver has cooked up an idea for creating even more renewable energy: turning used cafeteria oil into fuel for cars.