The way to do that is with border fees on imports from countries with low carbon prices. (dotearth.blogs.nytimes.com)
Alternative and renewable fuels could face the same constraints at the ports should the state begin to rely on imports of those fuels to meet state and federal renewable fuel standards. (energy.ca.gov)
It saves them foreign exchange by substituting solar energy for imports of oil, gas and coal. (climaterealityproject.org)