Agency hopes diesel-electric test will lead to more fuel-efficient vehiclesTwo new diesel-electric hybrid buses designed to reduce emissions and improve fuel economy are now operating on Pace routes in the Highland Park area, the suburban bus agency said Tuesday.

Authorities must make plans without knowing the number of demonstrators or the potential for troublemakingIn Wisconsin, a group of environmentalists plans to bicycle to Chicago's G-8 and NATO summits to protest an economy that relies too heavily on fossil fuel.