Technologies that could equip a future generation of Pratt & Whitney geared turbofan (GTF) engines, including hybrid-electric and steam-injection systems to slash greenhouse gas emissions, are to be ...

Partners in an EU-backed project to validate engine technologies that could help deliver a 25% fuel-saving over current-generation powerplants are deep into their initial design work as they eye later ...

Clean diesel technology upgrades for large tug and switcher locomotive engines cost only $4,379 to $15,201 per ton of nitrogen oxides (NOx), compared to more than $30,000 per ton of NOx for many other ...