• High-Speed Doors Save Energy
    Rapid roller doors keep indoor heat from escaping. In the late 1960s, managers at the Swedish company Nordic Felt (now Albany Door…
  • Stored Snow for Summer Cooling
    Several Swedish companies are seeing business opportunities in the growing demand for district cooling systems. One of these, Snowpower,…
  • A Shift Toward the Sun
    Matarenki Light is the name given to a revolutionary product slated for release next year in the growing market for solar energy. It’s…
  • 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…
  • Solar turbines—electricity without pollution
    The most effective way to generate electricity on a large scale from solar energy is to somehow convert the sun’s heat to kinetic energy,…
  • Improving biogas output
    In this age of concern over global warming, wild swings in petroleum prices, and market uncertainty over fossil fuel supplies, biogas offers…
  • A Heating System that Sees the Weather Forecast
    The Swedish company eGain is seeing growing international interest for its innovative approach to heating system management in apartment…
  • Green roofs for a healthier urban environment
    Have you ever had to remove moss and other vegetation growing on your roof? Veg Tech, based in the south of Sweden, has built a thriving…
  • Microbiology in focus for water treatment
    Contaminated wastewater is the cause of any number of serious environmental problems. Biological methods for wastewater treatment were developed…
  • Natural heating and cooling
    Technology for storing heat — and even cold — in underground wells has been in use since the 1970s. Boreholes for geothermal energy…