ports. (DJ, WP) May 1: U.S. President Bill Clinton unveils a plan to apply the same standard for tailpipe emissions to cars, light-duty trucks, and most sport utility vehicles (SUVs). Based on current nitrogen oxides (NOx) emission levels, the proposed plan would result in a 77 percent reduction for cars and a 95 percent reduction for light-duty trucks and SUVs. The new standards would be phased in from the 2004 to 2007 model years. At the same time, the Environmental Protection Agency (EPA) proposes a rule that would require refiners to reduce gasoline sulfur content from a current average of nearly 330 parts per million (ppm) to 30 ppm. The new sulfur standard is being proposed in conjunction with the new tailpipe emission proposal since sulfur impedes catalytic converter efficiency, thus making it more difficult to reduce tailpipe emissions without reducing sulfur content in gasoline. Oil industry representatives have vowed to protest the proposed rule, claiming that it will cost refiners $3 billion to $6 billion. The EPA estimates that the cost of compliance for both the automobile and oil industries will be between $3.4 billion and $4.4 billion. (DJ) May 10: The Board of Argentine oil company YPF unanimously approved a $13.4 billion offer from Repsol, a Spanish company. Repsol, which already owns 14.99 percent of YPF, made an all-cash offer to purchase the remaining 85.01 percent last month. The Board recommended to all shareholders to accept the Repsol offer. Two Argentine provinces, which own about five percent of YPF's shares, remain concerned about Repsol's intentions for their regions. (WSJ) May 12: The Caspian Pipeline Consortium (CPC) begins construction of a pipeline that will carry crude oil from the Caspian Sea to the Russian port of Novorossisk for export to foreign markets. The pipeline's planned capacity is about , and the CPC is expecting to load the first tanker in mid-2001. (DJ) May 17: The Environmental Protection Agency (EPA) states that it will not change its "Tier Two Plan" to cut gasoline sulfur content and tailpipe emissions, in response to a recent appellate court ruling that the EPA had overstepped its mandate in implementing some provisions of the Clean Air Act. Beginning in 2004, the Tier Two Plan would require refiners to cut gasoline sulfur content to an average of 30 parts per million, down more than 90 percent from the current national average. (DJ) May 27: Exxon and