But hydrogen is commonly produced from natural gas heated by steam, which results in greenhouse gas emissions and other environmental problems. (scientificamerican.com)
That's down more than 10 % from the level used last winter and the lowest estimated household winter natural gas heating use in more than 10 years (see chart above). (eia.gov)
You'll love the affordable natural gas heat and central air conditioning, which will leave you feeling comfortable all year long. (craigdp.com)