California fights America's worst smog with the country's toughest environmental regulations. But is the Golden State really ...

Although advocates want the rules fortified, they called on regulators at the March meeting to vote on them as soon as possible to avoid the risk of further erosion. A public hearing before the full ...

The European Union (EU) is likely to relax its current gas storage refilling targets amid mounting concerns that the rules are distorting market dynamics and driving up prices, according to Klaus ...

Liquid nitrogen is costly, and they're trying to use their nitrogen tank wisely and sparingly, which forces them to carefully consider when it's appropriate to use it in their experiments.