11.   Central heating is rare in Japan and most homes are heated by gas, kerosene or electric heaters that can be knocked over in a quake.

12.   Children with sooty faces dodge traffic and scoop bucketfuls of coal to heat their homes.

13.   Demand for natural gas, used to heat homes and businesses, usually peaks in January and February, when temperatures plunge, traders said.

14.   Fires, caused primarily from kerosene heaters used to heat homes in rural areas without electricity, is a common occurrence in Bolivia.

15.   Gasoline prices have surged again this week amid increasingly gloomy predictions that the cost of fuels used to heat homes and businesses will remain high.

16.   Given time, higher oil prices induce people to drive smaller cars, heat their homes with gas and generally cut back on their oil consumption.

17.   Gore said he was concerned that current high oil prices could make it more difficult for some low-income people to heat their homes this winter.

18.   He also proposed a tax credit to help families buy equipment that uses solar energy to generate electricity or to heat their homes.

19.   He proposes new tax credits to help people purchase health insurance, or buy equipment using solar energy to generate electricity and heat their homes.

20.   I was skeptical of the claims but invested in a modest Tulikivi to heat my home outside Helena, Mont.