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The first observation is that braid has zero stretch, whereas mono does stretch

Not to mention the detrimental effects caused by pollution and sedentary lifestyle that goes along with the auto culture

But please keep everything else the same

Alternative Fuel Stoves: This category includes alcohol burners and wood-burning stoves like the Vargo Titanium Hexagon , which appeal primarily to the ultralight and thru-hiking communities

At the moment, the energy produced is small, Crane says, but its making a difference. Greg Kremer, a mechanical engineer at Ohio University who works on human-powered vehicles, writes that although there have been some technological advancements in efficiency, output electricity is always limited by human input, the bikes power requirements, and any energy losses of the power-generating equipment