Cartoon artist Ernie Guanlao, 62, renders a sketch of inventor Don Burgess, 56, on his Pacificwind Thrustpac, a personal propulsion system at the Santa Monica Pier on Tuesday, September 26, 2006. The Thrustpac gets up to 150 miles per gallon on regular gas and can reach speeds of 25 to 35 miles per hour. It weighs 20 pounds and has a 35 cc engine. Burgess fills up the Thrustpac for only 38 cents. "Here's 50 Cents, keep the change, I am a big spender," he brags to the gas station attendant.