RIO DE JANEIRO, March 31 (Reuters) - Brazilian state-run oil company Petrobras (PETR4.SA), opens new tab said on Monday it will lower refinery gate diesel prices for the first time in more than a ...

(Those would be the diesel ones, for those of you unacquainted with the compression-ignition lifestyle.) But Cummins has a new turbocharged 6.7-liter inline-six that takes the brand in a new ...

Ford and GM's heavy-duty off-road-ready pickup trucks all offer diesel engines, but that's not the case for the Ram Power Wagon. Its sole engine option is a gas-powered 6.4-liter V-8, which is ...

Motorists may get a pleasant fuel price surprise ahead of the busy Easter holiday travel period, with diesel and petrol prices currently on track for substantial cuts in the first week of April.