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

Because 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 example, the fuel efficiency may be 5% to 8% less than in a comparable spark-ignited, lean burn engine at 100 percent load. It can even be greater on lower loads.

Lift Truck Fuel Sources and Classifications
There are certain applications that have proved a challenge for the forklift. For example, scrap metal is amongst these issues. In order to successfully handle things like this requires using the correct kind of machinery for the task.

In this write-up, the 7 major lift truck classes are discussed, including the power sources such as liquid propane gas, hydrogen fuel cell, gasoline, diesel and electric. The power source is linked to several of these particular classes. The main power sources for forklifts comprise Battery, Diesel, Gasoline, Fuel Cell and Propane.

Electric powered trucks are the most popular, mostly Class I, II and class III forklifts. Internal combustion engines are more common in Classes IV and V. The most popular electric power source is the lead-acid battery. Out of internal combustion trucks, around more than 90% are propane powered.

The battery is the forklifts most popular power source. Battery powered models make up about 60% of the new forklifts sold in the United States. Their benefits consist of: quiet operation, less maintenance requirements, the ability to be utilized outdoors and indoors with no harmful emissions.