5/21/13
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Many of us enjoy the convenience of online shopping. When choosing shipping options, opt to use the U.S. Postal Service whenever possible. By sending items through the USPS, you're using an existing fleet of delivery trucks that go through your neighborhood on a daily basis, which is not always true of express delivery trucks. This helps reduce greenhouse gas emissions. Plus, the USPS option is often the cheapest, so you save money, too.