The authors estimated air quality impacts due to residential firewood use for the year 2000 for 16 U.S. metropolitan areas. The wood usage estimates were based on price elasticities in relation to other space heating fuels, a range of future firewood prices, and an algorithm for the spatial...

A hydrogen economy, the long-term goal of many nations, can potentially confer energy security, along with environmental and economic benefits. However, the transition from a conventional petroleum-based energy system to a hydrogen economy involves many uncertainties, such as the development of...