Good articles, sue!
Our store offers reusable bags, costing 99 cents each, that hold quite a bit of product. Most grocery stores offer customers a choice. We've seen a variety of grocery carrers from customers visiting the store. People are cognizant of eco friendly products. and its the customer who holds the power deciding how their groceries are packed.
Smiled when reading the European grocery shopping article. Sue, if you didn't drive to the grocery store, you could purchase a wagon!

or a moped. Speaking of power driven bikes, there were at least 1000 or more motorcycles for the Toys for Tots gathering that drove through town. Some bikes were decorated to look like Santa's Sleigh with riders dressed like elves! Harleys with Christmas packages. Quite a wonderful sight n' sound.
Propane is a fossil fuel, and although probably the cleanest fuel for homes and farms, the cost is increasing. Fortunately, my company offers a senior discount or other options ie: a set monthly charge. Good for winter, costly for summer months.