Chevron's decision to sell its 50 per cent stake in Caltex Australia will make it easier for the local fuel supplier to release franking credits to shareholders, Caltex chief financial officer Simon Hepworth says. Speaking after the $4.6 billion block sale, Caltex management sought to assure investors that the company's broader business strategy would be unchanged, despite the departure of its US-domiciled major shareholder, which has held its stake for 40 years.