Comet-ME, an Israeli-Palestinian non-profit which provides renewable energy and clean water services to off-grid communities, has developed a submersible solar magnetic irrigation plunger pump.

Engines have evolved to meet changing emissions standards. One innovation from Cummins to meet those standards was the ...

The pump is powered by a small 8 mm diameter brushed ... The tiny impeller is a section of the syringe’s original plunger, with its cross-shaped body acting as the impeller blades.