Chevron U.S.A. Inc., a subsidiary of Chevron Corporation has announced definitive agreements to supply fuel linked to renewable natural gas for a Walmart Inc. demonstration of Cummins Inc.’s new 15-liter natural gas engine for heavy-duty trucks. As part of the agreements, Walmart will provide heavy-duty trucks for Cummins to integrate with the new 15-liter natural gas engine, the X15N™, which runs on compressed natural […]