Chicago Ghost Signs: H-C GASOLINE

Better Better

A classic “reveal” after a teardown.

“H-C” was the first high-octane gasoline. “The 72-octane auto fuel, developed at its Houston refinery, was better than anything then marketed (Lindbergh's flight to Paris the following year was on 73-octane gasoline). H-C stood for "Houston Concentrate," though some advertising men called it "High Compression." Details here.