1) совместно эксплуатировать автомобиль (для поездок на работу, магазин, школу и т.п.)
2) по очереди подвозить один другого на автомобиле
if a group of people carpool, they travel to work together in one car and divide the cost between them
сущ.
1) автомобильный пул (для поездок на работу)
2) участники такого пула (объединения)
It means sharing a car to work with people who are headed in the same direction. The intention behind this concept is to cut back on fossil fuels and reduce CO2 emissions and thereby save the planet! [answers.yahoo.com]
{n.} A group of people who own cars and take turns driving each other to work or on some other regular trip. * /It was John's father's week to drive his own car in the car pool./
{n.} A group of people who own cars and take turns driving each other to work or on some other regular trip. * /It was John's father's week to drive his own car in the car pool./
договоренность между несколькими людьми о том, что каждый из них поочередно развозит на своей машине всех остальных 2) легковые автомобили для служебного пользования