Gravel being added to a grid system - Paul Maguire/Shutterstock Gravel grid systems comprise a network of interlocking plastic modules that hold the surface layer of gravel on top of a base layer.

Gravel grids, also called plastic permeable pavers, are designed to effectively keep gravel in place on driveways and paths. They are both durable and tough. Strong enough, in fact, to support weights ...

A floating photovoltaic system on a lake supplies more electricity on a smaller area than conventional systems due to ...

Sinn Power has deployed a 1.8 MW vertical solar array on a quarry lake in the Bavarian municipality of Gilching. The company highlights the ecological benefits of the vertical system configuration and ...

Photo Caption: The highly porous, 1-inch deep AirDrain (right) offers an alternative to the 4-inch deep gravel layer in the standard USGA putting green design (above left). The USGA supported a ...