When Finland recently unveiled the world’s first “sand battery”, there was speculation that Australian manufacturers would soon be rolling out their own versions, as they looked to burn less gas.Key points:Australia’s first commercial thermal energy storage system will be installed later this yearIt will run on renewable electricity and help a pet food factory cut its use of gas, saving money and reducing emissionsSimilar systems will be rolled out around the country in coming years, experts sayNow, a pet food factory in Wodonga has announced it’s doing just that.The Mars Petcare facility, one of the largest pet-food makers in the country, will take delivery of a “graphite battery” later this year, as part of a trial to reduce emissions and ultimately save money.From the outside, the orange container won’t look like much, but experts say the system’s installation is an important…
