Automotive X Prize - The Automotive X Prize is a competition to spur innovation and award any team that can produce a commercially viable vehicle that can achieve over 100 miles per gallon.

SAE Supermileage Challenge - The SAE Supermileage Challenge is a competition for engineering and technology students to construct the most efficient gasoline powered vehicle.

North American Solar Challenge - The North American Solar Challenge is a competition to design, build and race solar powered cars in a cross country event.

Shell Eco-marathon Americas - The Shell Eco-marathon is an annual event that invites teams to design and build the most fuel efficient vehicle possible. Alternative fuel types are permitted in this competition.