[This article was first published in Army Sustainment Professional Bulletin, which was then called Army Logistician, volume 2, number 6 (November–December 1970), page 40. The text, including any ...

Scientists have discovered a low-cost method to significantly reduce this pollution from hydrogen internal combustion engines by improving the efficiency of their catalytic converters. The researchers ...

California and the U.S. Environmental Protection Agency on Wednesday finalized a $1.67 billion settlement with truck engine maker Cummins — the largest civil penalty ever assessed under the federal ...