The DGK45C has been upgraded to ultra-quiet status. Noise levels of 53 dBA at idle and 56 dBA at full load Low fuel consumption Compact size Reduced weight ...

Whisper Aero emerged from stealth a little over two years ago with a straightforward (if ambitious) plan: to radically reduce noise emissions from next-gen aircraft with a never-been-done-before ...

Love the idea of wind power, but can’t imagine that a wind turbine on your property could ever be quiet or unobtrusive? Personal wind turbines are the next big thing in wind power technology, and the ...