Dual Fuel Engine
The Dual Fuel engine is a kind of engine that uses a mixture of diesel fuel and gas fuel or could run off of diesel by its self. The dual fuel engine is not capable of running on gas alone. These engines do not have ignition systems and do not utilize spark plugs.

As diesel is not a pure gas, and it is not a pure diesel designed engine, it has some disadvantages in the department of fuel efficiency, as well as Methane slippage.. Like for instance, the fuel efficiency can be 5% to 8% less than in a comparable spark-ignited, lean burn engine at 100 percent load. It can even be lower or higher loads.

Lift Truck Fuel Sources and Classifications
There are certain recycling materials handling applications that can prove extremely difficult for lift trucks. Like for example, scrap metal is amongst these problems. To be able to successfully handle things like this requires using the right kind of equipment for the job.

There are 7 major lift truck classes, including power sources like liquid propane gas, hydrogen fuel cell, electric, gasoline and diesel. The power source is linked to some of these particular classes. The main power sources for forklifts include Gasoline, Battery, Diesel, Fuel Cell and Propane.

The most common overall are electric powered trucks, mostly in Class I, II and class III forklifts. In Classes IV and V, internal combustion trucks are more common. The most common electric power source is the lead-acid battery. Amongst internal combustion trucks, roughly over 90 percent are powered by propane.

The most common power source for lift trucks is battery. Battery powered models make up roughly 60 percent of the new forklifts sold within the United States. Their benefits consist of: less maintenance requirements, quiet operation, the ability to be utilized indoors and outside with no harmful emissions.