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While all eyes in America were turned to President Obama's looming decision on the Keystone XL pipeline, Canadian regulators on Thursday approved another pipeline that could play a role in bringing tar sands to America.
The owner of one of the world's largest truck fleets recently unveiled what it's dubbed the WAVE (Walmart Advanced Vehicle Experience) concept truck as part of a broader push to incorporate sustainability into the megastore's operations.
Control of resources and dependence on other countries is a central theme connecting the longstanding tension between Russia and Ukraine and potential actions taken by the rest of the world as the crisis escalates.
The NRDC called the passage of the bill in the House "a major weakening of the Clean Air Act." Prospects are weaker in the Senate, and President Obama would be expected to veto it if it came to his desk, however.