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Canada to announce all new cars must be zero emissions by 2035
(www.ctvnews.ca)
This is a most excellent place for technology news and articles.
If they set a 10 year goal it may take 20 years to hit 80% of goals, if they set a 20 year goal it'll take 40 years to hit 50%, if they set a 50 year goal...
Nobody thinks this is a realistic goal, but the target gives a concrete number to set a mandate on which actually pragmatic policies, funding projects, and incentives can hang their hat on to keep the ball rolling.
With big infrastructure developments, nobody wants to buy into realistic goals, it's too costly, and there's never enough political will. You set overly ambitious goals so you can get people to buy in and then the project is too big to fail, so you end up paying what it actually costs, and you try to mitigate waste, unanticipated problems, corruption, and poor management along the way.