Shell Helix Plus Eco 10W-30 is a synthetic technology engine oil formulated primarily to provide fuel efficiency for gasoline engines.  Suitable for lubrication of all modern cars and light commercial petrol engines which require a fuel efficient oil.  Summary of benefits: Provides excellent engine protection in today's fuel efficient passenger car engines; Extremely low volatility oil provides maximum protection against unwanted oil consumption; and this thinner oil ensures easier starting and lower engine friction.