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Dean Sigler

Dean Sigler
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Alternative Energies

Solar-powered aircraft may have some inherent limits, but they are also marvels of engineering that constantly push the boundaries of what’s possible. By Dean Sigler.

Creating a Standard for Electrified AC

Ron Gremban is an early developer of plug-in electric hybrid (PHEV) automobiles, having converted hundreds of Toyota Prius vehicles to extend their electric-only range...

Alternative Energies

Dean Sigler reports on new electrically powered European amphibians.

Alternative Energies

Dean Sigler checks in on the Green Flight Challengers of 2011 who didn’t make it to the competition to see what they’re up to now.

Report from the 2012 SSA Convention

It was my good fortune to attend the 2012 Soaring Society of America convention at the Reno/Sparks Convention Hall in Reno, Nevada, February 1-5. Besides...

Alternative Energies

Electric motorgliders are leading the way in low-cost, fuel-efficient flight. In the second installment of his two-part series, Dean Sigler profiles seven designs at the forefront of this emerging field.

Building as a Group

The Independence Five is an Oregon-based group building a bevy of DH.2s. Dean Sigler explores their approach to building and reports on how the project is progressing.

Sebring Light Sport Aircraft Expo 2012

There was, admittedly, a large array of every type of LSA in attendance at the Light Sport Aircraft Expo January 19 to 22, in...

Alternative Energies

Rapid strides are being made in the development of ultralight electric motorgliders. Dean Sigler talks to a few of the manufacturers at the forefront of this field.

Alternative Energies

Dean Sigler was on location at this year’s Green Flight Challenge in Santa Rosa, California, and he offers a report.