(Bloomberg) -- When a farmer accidentally ruptured a pipe while using an excavator last October, it took its operator — Williams Cos. — 65 minutes to isolate the leak. By the time it did, the line had emitted methane with a short-term climate impact roughly equal to the annual emissions from 17,000 US cars. Most Read from BloombergChina Weighs Stock Market Rescue Package Backed by $278 BillionIndia Tops Hong Kong as World’s Fourth-Largest Stock MarketNetflix Pays $5 Billion for ‘Raw’ in Bet on L