51.   The gas-to-liquids process creates a cleaner fuel than diesel created from crude oil, an important plus for refiners who face tougher emission standards worldwide.

52.   The owner will be notified by mail of the steps that must be taken to bring the vehicle into compliance with state emission standards.

53.   The other is regulation, such as emission standards or bans on smoking in public places.

54.   The rationale behind such proposals, she said, is that such cars could violate EPA air emission standards.

55.   The state should require that all new cars sold in Texas meet tougher California emission standards, he said.

56.   The U.S. Environmental Protection Agency has tightened the emissions standards for them.

57.   Thirteen metro counties are barred from spending federal money on new road projects because the region lacks a plan to meet emissions standards.

58.   This happens because they are not subject to the same emissions standards that ordinary cars are.

59.   This will make it much easier for Detroit to meet future emissions standards, at least for a while.

60.   Toughening emission standards for pickup trucks and sport utility vehicles, which tend to emit several times as much pollution as cars.