Every little bit of efficiency a fleet can squeeze out of engines can go a long way in maintaining a healthy profit margin. Even for fleets that spec the latest in aero kits, low rolling resistant ...

Today's catalysts for removing unburnt methane from natural-gas engine exhaust are either inefficient at low, start-up temperatures or break down at higher operating temperatures. A new single-atom ...

Iridium (Ir) HC deNOx catalyst system for industrial heavy-duty diesel engine was investigated. The emission performance of the engine used for this examination satisfied EPA Tier 1 regulation. Though ...

Diesel engines are coming under stricter requirements to reduce emissions, particularly those of particulates and nitrogen oxides (NOx). Recently, the U.S. EPA put into place staged requirements for ...