A lubricant dosing device for a gaseous fuel delivery system of an internal combustion engine, in particular a hydrogen engine, includes a body having therein a pumping bore extending along a pumping axis and defining, at an end, a pumping chamber which vo...

An evaporative fuel emission control system includes a canister (20) that adsorbs fuel vapor generated in a fuel tank (10), canister outgoing gas producing means (32) that causes canister outgoing gas to flow out of the canister, vapor condensing means (34...