California’s new ‘tire efficiency’ rules will save drivers $1 billion a year and reduce 2 million tons of carbon emissions
California just became the first U.S. state to address a problem most people don’t know they have: inefficient tires.
When automakers design a new vehicle, low rolling resistance tires are one of the least expensive ways to improve fuel economy. When they are replaced, the “new” tires are often less efficient, causing internal combustion engine vehicles to burn more gasoline and EVs to need more electricity.
California’s new rule is “designed to ensure that replacement tires sold in the state are at least as energy efficient, on average, as tires sold in the state as original equipment.” It also establishes a labeling system that gives tires a “leaf” rating, to make it easier for consumers to find the best options.
Why is this good news? In addition to saving drivers money, the state projects that the changes could reduce carbon dioxide emissions by 2 million tons annually, which it says is equivalent to taking around 400,000 cars off the road.
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Scientists identified five key factors linked to happiness and well-being
According to a new study of over 97,000 people across 66 countries, collective well-being depends on building supportive communities, not pursuing your own personal joy.
The evidence suggests that societies that foster environments that care for others boost a nation’s overall happiness.
The researchers identified five categories that drive overall societal happiness, including satisfying basic human needs, effective governing and security, and close in-group ties.
