green tag n.— «Those renewable electrons flow onto the grid, and Green Mountain gives FPL what’s known as a “green tag”—a certificate that shows part of its electricity has been offset by alternative energy.» —“Green...
greenhouse n.— «AMC Pacer: Notable for its unusual “greenhouse” style, it was designed for a rotary engine, but fitted with conventional piston power when the proposed rotary failed to meet federal emissions requirements...