Semi Trucks and Biodiesel - Nothing New Here

Everything old is new again; or so the saying goes. IfUsing what must have been a crystal ball tuned into
you've got tweens or teens running around the house,21st Century economic and politics, world, Herr Diesel
then their lava lamps and tie-die shirts are probablywent on to say:
proving this saying true."The use of vegetable oils for engine fuels may seem
And so it goes for biodiesel fuel. Touted for its "greeninsignificant today. But such oils may become in course
appeal", and soaring onto the front pages of theof time as important as petroleum and the coal tar
world's newspapers based upon promises of aproducts of the present time."
cheaper fuel that will also help break America'sHow right he was. All of a sudden the semi truck
dependence on foreign oil, the concept of burningindustry is taking one gigantic leap back to 1897 in an
biodiesel for semi trucks is as new as, well, 1897. Thateffort to finally match fuel reality with the visions of
was the year that Rudolf Diesel (1858-1913) perfectedRudolf Diesel and his peanut oil engine. Today there
the Diesel engine that we all know and love so well.are multiple biofuel options that are all vying for
Most of the nation's semi trucks are fueled by Dieselacceptance by the semi truck industry.
fuel. And while that petroleum-based product mayPoultry fats and soybean oils, sent through a chemical
bear Diesel's name, it definitely wasn't the fuel ofprocess called transesterification, come out the other
choice for him. In fact, Rudolph Diesel had some veryside as biodiesel.
futuristic ideas for his engine and the fuel that wouldEthanol, a very clean fuel, is being successfully distilled
drive it.from corn and wood products. Other raw materials
Rudolf Diesel had peanut oil in mind as the fuel thatare being tested as well.
would make his engines roar and ultimately launch theThe Diesel engine is so fuel-forgiving, that it can power
semi truck into its rightful place in history. And hesemi trucks using any number of alternative r fuels
understood the economic impact of biofuel even wayincluding hydrogen, natural gas, propane or even
back then, as evidenced by his own words:gasses extracted from landfills.
"The diesel engine can be fed with vegetable oils andAs the price of fuel continues to soar, how long will it
would help considerably in the development ofbe until your semi truck's exhaust fumes start smelling
agriculture of the countries which use it."like Mom's fried chicken dinners?