Better technology and high battery costs have revived interest in hydrogen-guzzling vehicles.
The website for the Affordable Care Act was doomed by an inordinately complex setup that tried to link disparate databases in real time.
The U.S. will still need more big breakthroughs to eliminate the need for imported oil.
Manufacturing, transporting, and constructing the world’s largest wind turbine represents a unique challenge.
Chemical producers abandoned the U.S. in droves. Cheap natural gas is luring them back.
Fast reactors can shrink nuclear-waste stockpiles, but can designers tame the inherent hazards?
Advanced materials and smart design could lower turbine blade costs by 40 percent.
Long considered a problematic way to reduce carbon emissions, regulations may be our best option.