Carbons, being the key culprit for triggering global warming, researchers are up with their arms to find better technologies to capture it from the air, but this may have sidelined the need for reducing another harmful gas emission - the nitrogen...

Work is currently underway at EPA, Stanford, and Berkeley to make the already green hybrids greener. The Homogeneous Charge Compression Ignition (HCCI) technology is a fusion of compression and spark ignition technology that could make...