National Gas Pipeline Network (US, 1920s–ongoing)

Class card for the US national natural gas pipeline network — the push-infrastructure machine that moves natural gas from wellhead to industrial and residential end-users at continental scale. The modern long-distance gas pipeline class was inaugurated by Panhandle Eastern Pipe Line in 1929 (980-mile Texas-to-Indianapolis transmission line), establishing the template of the interstate transmission pipeline: high-pressure compressor-station-driven steel trunk lines feeding local distribution companies (LDCs). The Natural Gas Act of 1938 placed interstate gas pipelines under Federal Power Commission (FPC) regulation, cementing the natural-monopoly rate-of-return framework that governed the class through the post-WWII build-out era. During World War II the Big Inch (crude oil) and Little Inch (refined products) pipelines (1942–1943) demonstrated wartime emergency-build capability; both were converted to natural gas service post-war, constituting the Tennessee Gas Pipeline network (1944) and accelerating the build-out. The post-WWII suburban heating boom drove rapid expansion: ~200,000 miles of gas transmission and distribution pipe by 1960. FERC (successor to FPC, 1977) continued natural-monopoly regulation until FERC Order 436 (1985) mandated open-access transportation and deregulated pipeline merchant functions — the most consequential restructuring since 1938. The fracking revolution (2008+) flooded domestic supply, drove down gas prices, and repositioned the US as the world's largest gas producer; the network expanded to serve LNG export terminals (Sabine Pass first cargo February 24, 2016). The Russia-EU gas crisis (2022) validated US LNG export infrastructure as a geopolitical asset. In 2026 the network is an energetic zombie: enormous throughput (~30 trillion cubic feet/yr), ~40% of US electricity generation served, LNG exports at record levels, but methane leakage (1–3% upstream, ~33% US energy CO2), and energy-transition pressure from climate policy render the machine simultaneously indispensable and targeted. Sources: Tussing + Tippee (1995); Yergin, The Quest (2011); IEA annual reports.