ENERGY giant Chevron has given Western Australian gas customers fresh cause for optimism, promising to start domestic supplies from its $25 billion Wheatstone liquefied natural gas project at Onslow in tandem with first gas exports in 2016.

ENERGY giant Chevron has given Western Australian gas customers fresh cause for optimism, promising to start domestic supplies from its $25 billion Wheatstone liquefied natural gas project at Onslow in tandem with first gas exports in 2016.