The Department of Energy funded much of the early research into fracking in the 70s https://www.energy.gov/hgeo/articles/does-early-investment-shale-gas-techno

The Department of Energy funded much of the early research into fracking in the 70s https://www.energy.gov/hgeo/articles/does-early-investment-shale-gas-technology-producing-results-today https://www.energy.gov/hgeo/articles/does-early-investment-s... https://en.wikipedia.org/wiki/Fracking_in_the_United_States https://en.wikipedia.org/wiki/Fracking_in_the_United_States https://clearpath.org/tech-101/hydraulic-fracturing-a-public-private-rd-success-story/ https://clearpath.org/tech-101/hydraulic-fracturing-a-public...