I'm not writing this post only because the company involved has the awesome name of Schlumpf, but it certainly played a big part. The gadget in question is a new kind of belt-drive for bikes, the ...

To keep conventional V-belts from slipping on the pullev, the mounting brackets must typically be tightened to produce 120 pounds of belt tension; the resultant friction costs power. However, multiple ...

There are over 5.6 million commercial buildings in the U.S., comprising 87 billion square feet of floor space. Air moving, heating, and cooling systems account for the largest amount of electricity ...