The Oil & Gas Journal, first published in 1902, is the world's most widely read petroleum industry publication. OGJ delivers international oil and gas industry news; analysis of issues and events; practical technology for design, operation, and maintenance of oil and gas operations; and important statistics on energy markets and industry activity.

OGJ is edited to meet the needs of engineers, geoscientists, managers, and executives throughout the oil and gas industry. It is part of Endeavor Business Media, Nashville, Tenn., which also publishes Offshore Magazine.

Endeavor Business Media’s Petroleum Group also produces targeted e-Newsletters; hosts global conferences and exhibitions, seminars, and forums; and publishes directories, technical books, print and electronic databases, surveys, and maps.

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Here’s How To Know If You Need A Smog Check

By: NewsUSA

(Matthew Du, NewsUSA Reporter) - As part of California’s Smog Check Program, Los Angeles requires a smog test for vehicles driven in the area. Vehicles manufactured in 1976 or later undergo inspection biennially to combat air pollution. Electric-powered and gasoline vehicles are exempted from the program if they are less than eight years old. However, if it’s a hybrid vehicle, smog checks are still required. Smog certifications can also be done within California only, as the state does not accept smog checks from other states as they are considered invalid, per California law. 

Smog or smoke fog is air polluted with nitrous oxide, which is caused by burning coal and engine combustion. 

 

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