Back when I owned a house, I considered making a clandestine trip to Canada to illegally import a decent toilet.
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"WINDSOR, ONTARIO -- Americans are crossing the Canadian border near Detroit to purchase 3.5-gallon-per-flush toilets."
That is correct: Canada has become a major supplier of illegal 3.5-gallon toilets. These toilets were banned by Congress in 1992 under the Energy Policy and Conservation Act, which decreed that henceforth U.S. citizens had to buy 1.6-gallon toilets, which would conserve a lot of water if they worked, which unfortunately most of them don't, the result being that U.S. citizens now spend more time flushing their toilets than on all other forms of exercise combined.
But that is not the point. The point is that 1.6-gallon toilets are the law of the land, and as the late Supreme Court Justice Felix Frankfurter stated: "Just because Congress passes a stupid law, that is no excuse for awwwggh." Unfortunately, Justice Frankfurter died at that point, but most legal scholars believe he intended to finish his sentence by saying "... that is no excuse for people to go up to Canada and buy working toilets."
Yet that is exactly what is happening. The Contractor article quotes a Canadian plumbing wholesaler as follows: "We've definitely seen an increase in the sales of 3.5-gallon toilets. The people who buy them are mostly from the States. They tell us outright they're Americans who came here to buy them."
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http://www.tysknews.com/Depts/Regulation/canadian_toilets.htm