Q&A: Waterless Fracking Inventor On Why Method Will Be A Game Changer

When Robert Lestz was a research engineer at Chevron in the 1990s, he began searching for a way to extract deeply buried gas and oil deposits without using the vast quantities of chemically enhanced water needed for hydraulic fracturing. The industry's increasing reliance on such large amounts of water seemed unsustainable, both economically and ecologically.