Bloomberg: Better Place LLC, a developer of electric car networks, said it plans to raise A$1 billion ($670 million) to develop a grid for powering vehicles in Australia, backed by AGL Energy Ltd. and Macquarie Capital Group. The first mass-market cars are expected to be available in Australia by the 2012 model year, a year after a similar start- up in Israel and Denmark, Palo Alto, California-based Better Place said today in an e-mailed statement. Macquarie will assist in business development …