- The great hydrogen gamble: hot air or net zero’s holy grail? An army of lobbyists is trying to persuade the government of the case for the combustible gas, but questions remain. How much will it cost, are there more affordable ways, and is the oil industry simply trying to stave off extinction? https://www.theguardian.com/business/2022/oct/15/the-great-hydrogen-gamble-hot-air-or-net-zeros-holy-grail 71 comments energy