Why are governments across the world not promoting alternative fuels like Bio-Diesel?

Question

Why are governments across the world not promoting alternative fuels like Bio-Diesel?

Answer 1

then the government can't get the benefit of using oil.  they made big money out of oil.  Besides, oil companies are the biggest company in the world and give a lot of contribution to the government officials.

Answer 2

bio diesels are a CHEAP alternative to big oil. the oil companies scored record billions of profits in 2005. to remind you, profits come after expenses have been paid in full.

we all know government officials around the world say one thing, vote another, and collect payments under the table. who in government is going to turn down that kind of money?? well, the people who would probably turn that down, don't want anything to do with government.

Answer 3

Because there's still plenty of petroleum? We've got to finish what's on our plate before we switch over to something else.

Answer 4

There are some Countries  that are promoting Alternative Fuels.

To name a few

Canadian are experimenting in Hydrogen.

Brazil use Ethanol in their automobiles.

Petroleum fuel has been entrenched in society for 100 years, changes does not occur over night.

Note Bio-diesel still has issues to resolve.  Namely in the collection of the fuel.

For Ad-hoc basis, collecting via Fast food places, method, are suitable for small scale (Home Brew) plants.

For large scale production.

Edible oil are used directly.  This will impact on the amount of edible oil that otherwise can be used for human consumption,  It is projected that it may lead to increase in the cost of edible oil,  thus cost of living.

Detail Comprehensive studies are required, to ensure that one source, does not create another monster later.