A catalytic converter can become clogged with carbon deposits, which are a byproduct of burning gasoline in internal combustion engines. In some cases, if there is incomplete combustion in the ...

The primary reason for using hydrogen in internal combustion engines is that ... putting it on a par with catalytic converters. Besides cost, the other primary issue with fuel cells is durability.

Its catalytic converter barely has a chance to be ... the maximum engine speed that an internal combustion engine is designed to operate without causing damage to internal parts.