Dual Fuel Engine
The Dual Fuel engine is a kind of engine which utilizes a mixture of diesel fuel and gas fuel or could work 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 utilize spark plugs.

As the engine is not a pure diesel engine and diesel is not a pure gas, this equipment does suffer from poor fuel efficiency and Methane slippage. For example, the fuel efficiency could be 5% to 8% less than in a comparable spark-ignited, lean burn engine at 100% load. It can even be lower or higher loads.

Lift Truck Classification and Fuel Sources
There are some applications which have proved a challenge for the forklift. For example, scrap metal is among these problems. To be able to successfully handle things like this requires utilizing the correct type of machine for the task.

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

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

The most common power source for lift trucks is battery. Battery powered units 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 used indoors and outdoors with no harmful emissions.