7 (Based on Use in Commerce) Electrochemical power generation systems, namely, electric power generators for mining vehicles incorporating fuel cells, fuel cell stacks and membrane electrode assemblies therefor; Electrochemical power generators to convert fuel and oxidant to direct current electricity for mining vehicles and their structural parts and assemblies, with one or more stacks of electrochemical fuel cells with anodes, cathodes and solid polymer electrolytes; (Based on Intent to Use) Electrochemical power generation systems, namely, electric power generators for vessels, ships, boats, marine vehicles, land vehicles, railway cars, trains, railway vehicles and off-highway construction incorporating fuel cells, fuel cell stacks and membrane electrode assemblies therefor; Electrochemical power generators to convert fuel and oxidant to direct current electricity for vessels, ships, boats, marine vehicles, land vehicles, railway cars, trains, railway vehicles and off-highway construction and their structural parts and assemblies, with one or more stacks of electrochemical fuel cells with anodes, cathodes and solid polymer electrolytes; Modular electric power generators for use in assembling stationary, distributed power generation systems