Cummins Inc. says it will use selective catalytic reduction on its 2010-model heavy duty engines, reversing a previous announcement that it would avoid the urea-dependent aftertreatment by using ...

Aerodynamic wheel covers can deliver small but meaningful fuel-economy gains for fleets, and Deflecktor says its latest design aims to make the technology easier and more affordable to deploy.

Selective catalytic reduction (SCR) is an important emissions control technology utilized at many coal, biomass, waste-to-energy, and gas-fired power plants. Many items must be considered when ...