Kyle Richardson |staff writer| Finally, after 4 months, the methane gas leak at Aliso Canyon has been plugged by work crews. Estimated numbers showed that since the start of the leak up to January, the leak had spewed more greenhouse gases than 440,000 cars emit in a year, according to the LA Times. The gas leak that many did not know about, has been releasing methane gas into our atmosphere since Nov. 26. "The well is no longer leaking," said Jimmie Cho, senior vice president of gas operations and system integrity for Southern California Gas Co., to the LA Times. Southern California’s Gas Co. Aliso Canyon gas storage at Porter Ranch provides gas to homes and … [Read more...] about Aliso Canyon gas leak plugged up