The Senate Budget and Taxation Committee heard the bill Tuesday afternoon.
The bill the House passed would raise the price of gasoline by about four cents a gallon this summer. It's expected to raise hundreds of millions of dollars for transportation projects if the bill passes in the Maryland Senate.
Two western Maryland lawmakers serve on the Senate Committee, Frederick County Senator David Brinkley and Senator George Edwards, of Garrett, Allegany and Washington Counties.
Brinkley grilled Governor Marin O'Malley's chief of staff on how they can assure the tax money will go to roads.
The bill will head to the Maryland Senate if it makes it out of committee.
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