The key to any hustle is a believable story. It’s no different with fuel-saving flimflams, which often claim to exploit some small, overlooked factor that automakers or oil companies don’t want you to ...

Q: I’ve been reading about a device called Fuel Save Pro that plugs into my car’s OBD II port under the dashboard. It says I can save 15% to 35% on fuel costs by letting this device optimize my car’s ...

This trailer owned by Illinois-based Nussbaum Transportation has both an aerodynamic “boat tail” from Stemco TrailerTails and extra-long trailer side fairings it developed with Wabash. Photo: Nussbaum ...

TruckWings, the aerodynamic panels that help fleets improve fuel efficiency by reducing drag, recently surpassed a combined 1 billion miles on the road. This accomplishment comes just seven years ...

Freightliner has taken the wraps off a prototype fuel saving device: a fuel cell that provides electricity for cab air conditioning and other auxiliary devices. The cell, which processes hydrogen to ...

DETROIT - Amid growing criticism of gas-guzzling sport utility vehicles, General Motors Corp. said today it would add new fuel-saving technology to most of its SUVs and pickup trucks. GM, the world's ...

I’ve been reading about a device called Fuel Save Pro that plugs into my car’s OBD II port under the dashboard. It says I can save 15% to 35% on fuel costs by letting this device optimize my car’s ...