Several major automakers including Toyota, Honda and BMW are betting that hydrogen-fueled cars will be a dominant technology in the future. There are a number of technical and economic problems to be solved before that can happen. Producing hydrogen in an cost-effective and environmentally-friendly way is critical. But beyond that, one of the biggest challenges is the transportation and storage of hydrogen.
The North Atlantic island of Bermuda is a popular tourist attraction with its pink sand beaches, turquoise water, and pastel-colored cottages with white limestone roofs. The stepped white roofs are not just picturesque, they are highly functional.
The boom in natural gas drilling by conventional methods and by fracking has led to a spike in methane emissions from pipelines, storage tanks, processing facilities, and other parts of the natural gas system. Natural gas is mostly composed of methane, so these emissions constitute waste and lost revenues. But they also represent a serious environmental problem because methane is 25 times more effective in trapping atmospheric heat than carbon dioxide.