U.S. Army has unveiled a new tractor-trailer that uses a fuel cell
for many of its electrical needs, eliminating the need for idling, Reuters news service reported March 4.
fuel cell, which is powered by methanol, could save some trucks
upward of 2,000 gallons of fuel a year.
army uses a 5-kilowatt fuel cell, which produces enough power for
about five average homes. However, the cost of the system, Reuters reported, is much higher than traditional alternatives. A diesel
generator runs $800 to $1,500 per kilowatt, rather than the fuel
cell’s $4,500 per kilowatt.