Instead of fuel cells, BMW has stuck to internal combustion engines and, rather than compressed gas, it has used liquified hydrogen. The problem with the former is that gasoline and hydrogen have ...

BMW may have cracked one of the biggest challenges facing internal combustion engines: soot buildup. A newly filed patent outlines a solution that promises to enhance engine efficiency while ...

It is smaller and lighter, even though being built of steel, versus the aluminum-magnesium alloy BMW R6 ... uses energy of the engine's exhaust vacuum to assist in the combustion cycle, also ...