With participation level at nearly a quarter of the population (22 percent), bowling rolled by such popular sports and activities as basketball (15 percent), golf (13 percent), aerobics (11.9 percent), baseball (13 percent) and yoga (9 percent) to secure the number one ranking.
Definition of FUEL CELL. : a device that continuously changes the chemical energy of a fuel (as hydrogen) and an oxidant directly into electrical energy.
Hydrogen fuel cells (fuel-cell conversion) is the process of converting hydrogen into H20 (water) to produce electricity to fuel the vehicle. Hydrogen reaction with oxygen to produce water and electricity; the electricity is used to power an electric traction motor.