In the high-stakes race to dominate the clean hydrogen market, the Biden administration just handed out a golden ticket—or rather, loosened the strings on who can cash in. New rules for a tax credit worth up to $3 per kilogram of hydrogen are a boon for companies eager to turn this clean-burning fuel into big business. After months of lobbying and a draft that left many industry players fuming, the Treasury Department has delivered a rulebook that’s friendlier to hydrogen hopefuls. The revisions don’t just extend the timeline…