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Go Green, Save Green.
Acorn Propane has been involved with propane as "Alternative" motor fuel for over 30 years.  Back in the day propane was limited to farm equipment.  Today propane is the market leader in alternative fuels for the automotive sector and powers more than 4 million vehicles in more than 38 countries. The reason is clear. Propane provides fleet managers with a cost-effective, clean, safe and reliable alternative fuel.   Acorn Propane is the only propane company in Arizona with an entirely "Green" fleet operating day in and day out on clean, efficient propane.

A Healthy Environment
The U.S. Department of Energy projects that propane will be the leading alternative vehicle fuel in the 21st century. Local government and private sector fleets will soon be required to purchase alternative-fueled cars and trucks in an effort to reduce harmful emissions from fossil fuels - the leading source of air pollution in the United States.

Tests conducted by the U.S. Environmental Protection Agency show that propane vehicles can produce 30 percent to 90 percent less carbon monoxide and about 50 percent fewer toxics and other smog-producing emissions than gasoline engines.

Propane is listed as an approved alternative fuel in the Energy Policy Act of 1992.

The Orange County, California Transit Authority's mass transit buses currently have engines modified to run on propane. Recent tailpipe emissions tests comparing compressed natural gas (CNG) with propane showed that propane is 87 percent lower in total hydrocarbons, 50 percent lower in nitrogen oxides and 40 percent lower in particulate matter.

Propane Performance
Of all the alternative fuels available, propane offers the best mix of vehicle driving range, durability and performance.

Many fleets have reported 2 to 3 years longer service life and extended intervals between required maintenance. Spark plugs from a propane vehicle last from 80,000 to 100,000 miles and propane engines can last 2 to 3 times longer than gasoline or diesel engines.

Propane vehicles have the longest driving range of all clean-burning fuels.

The Bottom Line
Propane costs in fleets typically range from 15 percent to 50 percent less than those of gasoline or diesel.

The smaller size of propane tanks relative to CNG tanks results in valuable added capacity and lighter weight loads, which translate directly to savings for fleet managers.

Easy Access
The propane refueling infrastructure consists of more than 10,000 sites available across the country, and the cost of a propane refueling facility is less than that for gasoline refueling facilities. Propane refueling systems also have a much shorter filling time than do natural gas systems.

Qualified conversion contractors can convert many gasoline-powered vehicles to propane, and part of the conversion cost may be tax deductible .

Q&A for Propane Powered Fleets

How cost-effective would it be to switch to propane as my fuel source?

Propane operating costs for fleet vehicles range from 15 percent to 50 percent less than gasoline or diesel. Overall, propane is the most cost effective alternative.

How does propane affect engine performance?

Fleet operators report horsepower and torque capability roughly comparable to gasoline. Because propane is a less dense fuel than gasoline, power might decrease slightly, but operators rarely notice this loss. Fuel economy on new engines is also comparable to that of gasoline.  

Is propane really a safer fuel for the environment?

Tests conducted by the U.S. Environmental Protection Agency show that propane vehicles can produce 30 percent to 90 percent less carbon monoxide than gasoline engines and about 50 percent fewer toxics and other smog-producing emissions. Propane is also listed as an approved alternative fuel in the 1990 Clean Air Act and the Energy Policy Act of 1992.

Is refueling difficult with propane?

No. Refueling is simple and quick. Propane's pumping rate, 10 to 12 gallons per minute, is comparable to that of gasoline. This translates into savings in time and money compared with other alternative fuels. Because propane is delivered through a sealed system (thereby protecting the environment), a simple screwed connection is used. Vehicles can be refueled at nearly 10,000 sites across the country.  Many fleets simply refuel with an on-site refuleing station or use Acorn Propane's 24-hour self fueling station.

Is propane safe?

Yes. Propane vehicle tanks are tested to four times the normal operating pressures, and the tanks are 20 times as puncture resistant as gasoline tanks. Propane is nontoxic, nonpoisonous, and has the lowest flammability range of any alternative fuel.

How can I make the switch to propane as an alternative fuel?

Qualified conversion contractors can convert almost any gasoline-powered vehicle to propane. Conversions costs vary depending on the type of vehicle.  Most see a return on their conversion in approximately 18 months or less. Part of these conversion costs may be deducted from federal taxable income. Also, more automakers are responding to increased demand for alternative-fueled vehicles by manufacturing factory-equipped propane-powered vehicles.  For more information on conversions, go to the U.S. Dept. of Energy's Alternative Fuel Data Center Web site.