Mercedes-Benz is gearing up to show off the true potential of hydrogen fuel cell technology. The German automaker’s B-Class F-Cell will soon embark on an around-the-world trip to prove the efficiency and reliability of hydrogen cars. While most automakers these days appear to be concentrating on battery-powered EVs, some brands like Mercedes-Benz, Honda, and General Motors, continue to research hydrogen fuel cell technology as a viable alternative. Although extensive testing has proven the technical maturity of fuel cells, a network of hydrogen filling stations is still one of the…