Plastic companies begin to aggressively market their product as superior to paper and reusable bags. Supermarkets usually prefer plastic bags because they're less expensive - 1,000 paper sacks cost $30 while the same number of plastic sacks cost $26 to $28. You can now buy stylish and good looking paper bags for that matter. They may be trying to help the enviroment out.

If you store does carryout, that may be part of the reason.

Plastic bags were invented to save the planet, according to the son of Swedish engineer Sten Gustaf Thulin who created them in 1959. I'm quite certain they are cheaper. The lightweight plastic bag debuted in the USA in 1976, and many of America's largest supermarket chains were switching from paper to plastic bags by 1982. Plastic bags are simply much cheaper for stores to purchase than paper bags, which can cost up to four times what a plastic bag does. Plastic Carrier Bags have been creating much of an issue for the planet. Don't you find it easier to carry plastic bags too?? They'd have to use a cart otherwise. At each D'Agostino supermarket … Photo by Creative Commons. Plus are they not made from recycled plastic?? More stores follow suit and by the end of the decade plastic bags will have almost replaced paper around the world. 1982 – Safeway and Kroger, two of the biggest supermarket chains in the United States, switch to plastic bags.