Much wood fuel comes from native forests around the world.

There is no electricity so the villagers have to depend on wood fuel.

The surrounding forest provided food, tools, and wood fuel for fires.

The standard two-pot model developed here uses 24 percent of the energy available in the wood fuel.

He added that wood fuel was a low-carbon way of heating homes.

More than 2.5m homes have no electricity at all and 70% of rural households still rely on wood fuel.

The most promising form of renewable energy is biomass, mainly wood fuel.

The original decree in this time prohibited the use of wood fuel unless it was from one's own land.

The environmental impact of burning wood fuel is debatable.

The wood fuel must be constantly supplied in order to achieve temperatures high enough to fire the clay.

A firelog is a manufactured log constructed to be used as wood fuel.

Coal was cheaper and much more efficient than wood fuel in most steam engines.

New Hampshire has potential for renewable energies like wind power, hydroelectricity, and wood fuel.

This resulted from the charred wood fuel melting and becoming a part of the jar's surface.

Its use as wood fuel and a source of charcoal, is an abuse of a valuable resource.

It was towed to Brock's wharf to load wood fuel.

Lignocellulosic biomass, in the form of wood fuel, has a long history as a source of energy.

A 2007 report concluded that wood fuel exceeded hydroelectric and wind as the largest potential source of renewable energy.

Cottonwood is one of the poorest wood fuels; it does not dry well, and rots quickly.

Or can we help them with our own technical advances in the use of wood fuel - the globe's most important source of renewable energy?

Part of it is dedicated as a research area, used for studies into subjects such as forest carbon dynamics, environmental change and wood fuels.

It is found more commonly in lesser-developed countries where wood fuel sources are more scarce.

Wood fuel constituted about 90 percent of the consumption overall, and was a major factor in the Roman deforestation epidemic.

Other major sources are black liquor in forest industry and industry and small scale wood fuels.

"They lack wood fuel, water, food and fodder.