Answer:

carpool

Answer	Crossword Clue
CARPOOL	Way to commute
CARPOOL	Gas-saving arrangement
CARPOOL	Commuting arrangement

CARPOOL	Driving arrangement
CARPOOL	Efficient way to work
CARPOOL	Fuel-saving commuter group
CARPOOL	A greener way to get to work
CARPOOL	Alternative to public transportation
CARPOOL	Commuter arrangement
CARPOOL	Arrangement among commuters
CARPOOL	Commuting convenience

CARPOOL	Kind of lane
CARPOOL	Commuting group
CARPOOL	Semiprivate transport to work.
CARPOOL	Suburbanites' cost-cutting set-up.
CARPOOL	Riding group.
CARPOOL	Commuters' transportation arrangement.
CARPOOL	Transportation device.
CARPOOL	Suburbanites' group.

CARPOOL	Group transportation.
CARPOOL	Small-scale mass transit
CARPOOL	Commuting combo
CARPOOL	Commuter group
CARPOOL	It involves designated drivers
CARPOOL	Ecofriendly way to work
CARPOOL	Use the H.O.V. lane, say
CARPOOL	Auto-rotating system

CARPOOL	Commute-sharing arrangement
CARPOOL	HOV lane arrangement
CARPOOL	Not drive by oneself to work