Existing regulations for wood heatersapply to older kinds of wood stoves that lack new emissions-reduction technology. New rules would require that new technology. Credit: James Halliday/Flickr Theres a problem with that , though: Black carbon, or emissions of soot from burning wood, is a major heat-trapping pollutant contributing to global warming. But the actual effect of more people burning wood for heating is very complicated. People are seeking cheaper alternatives to expensive fossil fuels to heat their homes, and theyre mostly turning to wood logs, though researchers are seeing an uptick in the use of wood pellets, too, said Chip Berry, EIA manager of the agencys Residential Energy Consumption Survey, from which the wood burning data was gathered. Heating oil prices have risen slightly over the past year, but residential propane prices have been volatile this winter. Heating oil, which is most commonly used in the Northeast and is second only to natural gas as a heating fuel in the region,cost just more than1 cent higher than it was a year ago as of March 12, running about $4.20 per gallon, EIA data show. Prices for propane, which is less commonly used in the Northeast than heating oil, are dramatically higher . A year ago, propane cost about $2.35 per gallon.
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