_A solar cooker, which can help the estimated 1.5 billion people who live in areas of the world where fuel wood is scarce.
42.
The wood, which varies from yellowish to rosy reds and rich browns, is valued for woodworking, and makes good charcoal and fuel wood.
43.
"The prices of coal have skyrocketed, and fuel wood has virtually disappeared from the market, " said Usha Rani, a homemaker in the capital.
44.
Fuel wood, agricultural waste and biomass cake burning releases over 165 million tonnes of combustion products into India's indoor and outdoor air every year.
45.
Fuel wood, agri waste and biomass cake burning releases over 165 million tonnes of combustion products into India's indoor and outdoor air every year.
46.
Fuel wood collection from the dense forest is common only in kebeles at higher altitudes, where the settlement is close to the forest areas.
47.
Fuel wood has a carbon-to-hydrogen ratio of approximately 10 to 1, says Rifkin, whose book was published before the sugar-hydrogen research came to light.
48.
_A solar cooker, which can help the estimated 1 . 5 billion people who live in areas of the world where fuel wood is scarce.
49.
Based on physiological parameters, he worked out the superiority index for selection of tree species for plantation in mountains and their fuel wood value index.
50.
Improving the technology of cook stoves will be especially effective for Nigeria which currently has many households that require fuel wood for their cooking methods.
