He stood at an open pipe at the tanker and held his hand in front of it, checking air as it flowed inside. During product loading, vapor-laden air is drawn out of the tanker to keep it from bursting.
GHG Phase 2: Trucking Industry Reactions
Industry reactions to the final greenhouse gas/fuel efficiency rules for medium- and heavy-duty trucks tended to be [mostly] upbeat and positive, reflecting a determination to roll up the sleeves and deal with trucking’s latest reality.