Dual fuel HVAC systems consist of both an electric heat pump and a gas furnace. These hybrid systems alternate between these two heat sources, delivering comfort regardless of the season, temperature, ...

HVAC contractors are increasingly adopting hybrid heating solutions, blending conventional methods with advanced technology to enhance energy efficiency and system performance. One such approach is ...

One company thinks it has the answer for truck operators that want to use natural gas but are concerned about range issues: a dual-fuel system that can be retrofitted to existing diesel engines. CARB ...

Oak Ridge National Laboratory (ORNL) reports that a methanol dual fuel combustion system it has developed in collaboration ...

Johnson Controls-Hitachi Air Conditioning has developed a residential dual fuel heat pump system that combines an air source heat pump and a gas furnace. The manufacturer says the furnace is designed ...

GreenMan Technologies announced that its American Power Group Inc. subsidiary has signed a U.S. Environmental Protection Agency Test Vehicle Agreement with Casella Waste Systems Inc. to convert one of ...

Lloyd's Register (LR) has approved the design of ammonia dual-fuel systems design for Trafigura's newbuild medium gas carriers (MGCs). LR completed an extensive design evaluation and safety assessment ...

Both approaches support vessel owners’ sustainability initiatives and align with 2050 FuelEU Maritime regulations.

Dual-fuel glider kits are a relatively new alternative for fleets looking to tap into the benefits of natural gas but at less cost than buying a new, dedicated NG vehicle. A glider is a new truck ...

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 ...