ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,886, issued on March 25.

"Systems and methods for generating gas and power" was invented by Darrell Ford (Evansburg, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas generator has a first and a second piston disposed in, respectively, a first and a second fluid chamber and coupled to, respectively, a first and a second combustion chamber to be actuatable by combustion that expands the respective combustions chambers. The first and second fluid chambers receive liquid CO2 and the combustion chambers receive fuel and oxygen for combustion. The second piston is mechanically coupled to the first piston, such that combustion in the first and ...