Michigan is investing $7. 5 million to research geologic hydrogen — a clean energy source buried beneath the state that experts say could help power a transition away from fossil fuels. That’s because when hydrogen fuel burns, the only byproduct is water.
Source: [Grist](https://grist.org/energy/michigan-invests-7-5m-to-find-out-if-its-sitting-on-a-clean-energy-gold-mine/)