• A Tough, Portable Solar Lamp
    After eight years as a management consultant for Accenture, civil engineer Linda Krondahl was looking for something new. Drawn to return...
  • New Scanner for Biomass Chemical Analysis
    It may not be as glamorous as a bank of solar photovoltaic arrays or a windmill park gracefully extracting energy from shifting air masses,...
  • New Fertilizer Cuts Pollution
    Traditional fertilizers contain inorganic nitrate or ammonia ions as a source of the nitrogen that all plants require for healthy growth....
  • The Smarter Electric Grid
    Electric grids in most developed countries are engineered around centralized production from large hydropower installations, nuclear generators...
  • Effective Solar Heat for Any Building
    The sun is the source of almost all of the energy available on earth. The sun powers photosynthesis and pushes airmasses across the face...
  • Greener Cellulose Chemistry
    A single paper mill can use several thousand tons of chemicals each year in bringing forth the specialized characteristics of cellulose....
  • Double Environmental Benefit from Biogas
    It may be hard to see a great deal of environmental advantage in racecars screaming around a track, but that’s just what the backers...
  • Compostable Grocery Bags
    Plastic shopping bags have been banned in San Francisco and other cities around the world. Some municipalities are slapping on taxes and...
  • Reduced Friction Saves Fuel
    The chemical compound tungsten disulfide, developed in the 1960s for the American space agency NASA as a dry-film lubricant, has found a...
  • Volvo and Vattenfall Announce Plug-in Hybrid Venture
    The Swedish automaker Volvo and the power generation company Vattenfall have created a joint venture company to develop a plug-in hybrid...