John Conklin is manager of product development and business development for New Energy Technologies, Inc., a Burtonsville-based company that is developing new alternative-energy products, and has research sites in New Jersey, Florida and Massachusetts.

New Energy Technologies is working on two new products: MotionPower, a device laid on top of roads to generate electricity from the cars that drive over it, and SolarWindow, a clear liquid filled with tiny solar cells that can be sprayed onto window surfaces to gather energy.

Both are still in development stages, but the company's goal is to eventually make them commercially available.

MotionPower functions like a speed bump, with flaps measuring an inch tall that are pressed down when a car drives over them and then flip back again. The device catches this kinetic energy, which is then converted into electrical energy. The technology would be used at toll booths, exit ramps and fast food drive-thrus.

MotionPower Heavy, a variation of the product, is intended for trucks and heavier vehicles and would be installed at truck-weighing scales and border crossings, while MotionPower Express is a version designed for vehicles traveling faster than 15 mph. The company is looking to conduct field tests and demos with interested entities in this field.

SolarWindow is the first transparent coating created to capture energy on windows; similar products have been opaque. The sprayed-on fluid would gather energy both from the sun and artificial lighting.

SolarWindow contains the world's smallest organic solar cells, roughly a quarter the size of a grain of rice and the company would sell it to skyscrapers and other commercial buildings covered in windows.