Grocery merchants in Texas, California and New York will soon have ice cream, frozen foods and fresh produce delivered by tractor trailers whose refrigeration units are powered by fuel cells, which will do the work normally done by a small diesel engine to keep the cargo at the proper temperature while the trucks are making deliveries.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/8...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/8...