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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.
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...
Dean Sigler reports on new electrically powered European amphibians.
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.
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...
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.
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.
There was, admittedly, a large array of every type of LSA in attendance at the Light Sport Aircraft Expo January 19 to 22, in...
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.
Dean Sigler was on location at this year’s Green Flight Challenge in Santa Rosa, California, and he offers a report.