Contaminated and often abandoned or underused industrial sites--known as brownfields--dot cities across the Midwest. State and local officials are struggling to develop effective strategies to attract investments to these sites, to spark reuse efforts that will stimulate new economic activity...

Using vegetable oil to reduce the environmental problems from diesel fuel.

Many analysts believe that the emissions of greenhouse gases resulting from human activity are contributing to global warming, but the linkage is highly uncertain. The largest such source of these gases is carbon dioxide (CO2) from the growing consumption of fossil fuels. Consequently, the...