Oregonian: To cut energy use, save money and, while you’re at it, live a greener life, you can turn down the air conditioning, back off the accelerator, hop on a bike. But when it comes to your personal energy tally, there’s another big but not as commonly considered source: The stuff you buy. Every product, from televisions to teapots, takes energy to get to the shopping bag — energy to mine raw materials, make the product and ship it. Yet that use goes unreported in Oregon’s tracking …