1913 6 Feb. 112/2 Before the introduction of this steam plant, there was a high-speed steam set giving 10.000 G.P.H.
1963 Apr. 178/1 On our boat, gas consumption will vary as much as 2 gph at medium throttle, and to 4 gph at full throttle.
2005 Oct. 60/2 A typical light aircraft cruising at 4,000 feet will burn 5 gph rich, 4.5 when lean.