We utilize the most efficient stoves available from Earth, and we use the wood, sparingly.

The pellets are burned in highly efficient stoves, furnaces and boilers at half the cost of oil or natural gas.

This is partly due to the use of efficient wood-burning stoves that fully burn the volatiles in the smoke.

Danish prices are generally eye-wateringly high but I've found one exception: highly efficient wood-burning stoves from Pejseforum at Aboulevard 54 (www.pejseforum.dk)

Daxu wins an Ashden Award for producing over 25,000 efficient stoves that can burn crop waste for cooking and hot water.

The first patent for a more efficient stove was granted in 1557.

The Primus stove's design, which uses pressure and heat to vapourize the kerosene before ignition, results in a hotter, more efficient stove that does not soot.

Top Third Ventures is a company in Nairobi, Kenya that specializes in the design, production, and sale of efficient stoves.

On February 28, 2012, Top Third Ventures participated in a community based product testing, for efficient stoves.

He estimated that an efficient wood-burning stove might cost "one-quarter of the price of using oil."