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

black-widow racer 123
Um… can I get one in green?
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).The team has been working on the vehicle since 2005, and with each successive year they’ve managed to shed weight and ramp up mileage. In its current state it weighs only 96 pounds, and can hit a top speed of 30 MPH with its Honda 50cc engine.

Continue reading… “Student-Built “Black Widow” Racer Gets 2,752 Miles Per Gallon”

0

How Much Energy Is Required To Make Bottled Water?

How Much Energy Is Required To Make Bottled Water?

 The energy required to produce bottled water is up to 2,000 times more than the energy required to produce tap water.

Most people who buy bottled water have access to clean drinking water virtually for free (in the US, tap water costs less than a penny per gallon, on average). Nevertheless, the consumption of bottled water continues to grow, far surpassing the US sales of milk and beer, and second only to soft drinks.

Continue reading… “How Much Energy Is Required To Make Bottled Water?”

0

Hypermiling Improves Gas Mileage

Hypermiling Improves Gas Mileage 

Bob Winger is that guy on the highway, puttering along in the far right lane.

As Chevrolet Tahoes, Cadillac Escalades and a host of other cars and trucks whip by in the passing lanes, Winger slowly accelerates up to the 60-mph speed limit on Interstate 64 in Newport News. He eases up on the gas a bit, fixated on a display next to his speedometer that shows his mileage.

Continue reading… “Hypermiling Improves Gas Mileage”

0