paliwo konwencjonalne

When solar energy is not available, the design uses any conventional fuel as a heat source, including gas, electricity, or wood.

Just as it can give a boost to any conventional fuel in these ships of yours.

For maximum kiln efficiency, high quality conventional fuels are the best choice.

The countries have agreed to promote energy security and find energy alternatives to conventional fuels.

Solar energy remains four times as expensive as electricity produced by conventional fuels.

We are scrambling for the last of the gas as conventional fossil fuels run out.

The panic as conventional fossil fuels start to run out is starting to become palpable.

Some hybrids get significantly better mileage than ordinary vehicles, but still run on conventional fuel.

I'm no scientist, but isn't the whole energy reuction effort also due to the fact that we're going to run out of conventional fuel?

Who is calculating the life cycle of conventional fuels?