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 use spark plugs.

Because the engine is not a pure diesel engine and diesel is not a pure gas, this machine does suffer from poor fuel efficiency and Methane slippage. Like for instance, the fuel efficiency could 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 recycling materials handling applications which could prove really challenging for lift trucks. For instance, scrap metal is amongst these problems. In order to successfully handle items like this requires utilizing the right type of equipment for the job.

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

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. Among internal combustion trucks, approximately more than 90 percent are propane powered.

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