Student-Built "Black Widow" Racer Gets 2,752 Miles Per Gallon

Engineering students at the California Polytechnic State University are showing off the updated Black Widow, their entry for the upcoming Shell Eco-Marathon contest, and it involves some unusual numbers: 3 (wheels); 3 (horsepower engine); and 2,752 (miles per gallon). » 2/20/10 7:15pm 2/20/10 7:15pm