Transportation commission proposes levying 10 cents a gallon on fuel to help curb greenhouse gases - In a proposal that fell on deaf ears in Sacramento last year, the Metropolitan Transportation Commission's staff is recommending legislation that would make a gas tax a "fee," and thus make it easier to prevail at the ballot box. Only this year, transportation officials say, the idea could be more palatable as but one arrow in a quiver aimed at reducing the Bay Area's contribution to global warming. Under legislation that went into effect in 1997, the MTC has the authority to put a...