Heat pumps may be leading sales, but dual fuel systems are winning on trust, redundancy, and real-world reliability.

Dual fuel systems, with their combination of an all-electric heat pump and gas furnace, give homeowners the best of both worlds: comfort and energy savings, topped off with a healthy dose of saving ...

New Hitachi air365 Hybrid system automatically switches between heat pump and furnace operation according to outdoor temperature sensors for a more efficient performance year-round IRVING, Texas, Sept ...

Despite growing interest within the U.S. trucking industry to rely on natural gas to power its vehicles, many motor carriers remained stymied by the high sticker price for trucks designed to run on ...

OptiFuel Systems LLC is offering a new line of Total-Zero TM Diesel Hybrid and Total-Zero TM Diesel-RNG Dual Fuel Hybrid Series Locomotives it says “eliminates the need for a fuel tender in ...

Caterpillar Marine announced plans to deploy its first set of field demonstrator methanol dual-fuel 3500E marine engines in 2026.Cat 3500E marine engines will utilize innovative dual-fuel technology ...

If You've Spied A Trail Rig Or tow rig running propane as a fuel source, you've wondered about its advantages and disadvantages. We've seen a number of respectable ...

A band wagon powered by natural gas seems to have begun rolling, but most of those aboard talk about brand-new heavy trucks with special gas-burning engines. Why not convert existing trucks and ...

It seems that a new wave of fuel options is heading our way – and quite fast. In recent months, several companies have announced new dual-fuel systems that run on a combination of propane and diesel.

Trucks with dual fuel tanks are a thing of the past, but their memory remains. There was a time when solving bad fuel economy didn’t mean building a better engine. It meant just adding another tank.

The city of Ypsilanti will spend $581,000 for new trucks for its department of public works that will be outfitted with dual fuel systems. Those ordered include a mix of three snow removal trucks and ...