A tinkerer, Clessie Cummins was among the first to see the commercial potential of an unproved engine technology invented two decades earlier by Rudolf Diesel, and in 1929 he created America’s first diesel-powered automobile– a used Packard limo he’d adap. . .
Drilling operations at several natural gas wells in southwestern Pennsylvania released methane into the atmosphere at rates that were 100 to 1,000 times greater than federal regulators had estimated, new research shows. Carbon dioxide released by the c. . .
The Environmental Protection Agency plans to develop a new program to recognize ports for their sustainability efforts, which could ultimately influence multinational corporations' shipping decisions. The program could be similar to the agency's SmartW. . .
Canadian trucking firm Bison Transport had anticipated that LNG, which generates fewer miles per unit than diesel, to be 10 percent less efficient; instead, the drop was closer to 18 percent. Maintenance costs were about double that of a diesel tractor, m. . .