Is hydrogen safe to use in homes and cars?

Are there safety issues associated with the zero-emission energy source many are counting on for the future?Is hydrogen safe for mainstream use as an alternative to fossil fuels such as gasoline, diesel, natural gas and others? According to the US Department of Energy (DoE) Office of Energy Efficiency and Renewable Energy its safety level is about the same as other fuels commonly used today, with a few advantages as well.The DoE acknowledges that by their very nature, all fuels do include a certain level of danger.The key to making hydrogen fuel safe is to ensure that it is used properly, as is the case consistently across the energy industry with fuels of all forms.  The goal, according to the DoE, is always to make sure that there is a prevention of circumstances in which the three combustion factors are present simultaneously. These three factors are:A spark, heat or other source…

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