Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...

Paul Gommi's Chevy-powered '34 Ford coupe needed an engine rebuild; instead, he installed a High Energy 268 (350 c.i.d.) that put the "hot" back into his rod. Although it produces more than 340 ...

UK scientists have proposed a way to combine photovoltaic-thermal energy with Stirling engines and battery storage in residential buildings. Despite the high upfront costs, they said the ...