The average tank of gas is 10 to 15 gallons, so John Rosen, an economics professor at the University of New Haven, said the savings would amount to around $2.50 a week or $10 a month on average.
The law will also temporarily suspend fares on public buses statewide.
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A one-week sales tax holiday on clothing and footwear under $100 will run from April 10 to 16.
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