An $850,000 Department of Energy (DOE) study of the weekend smog (ozone) situation in Southern California — illustrated by the accompanying exhibit — raises new questions about pending vehicle emissions-control strategy. A widely respected DOE scientist, Douglas Lawson, says the increase in ozone levels during weekends is almost certainly due to reduced oxides of nitrogen (NOx) emissions because of fewer commercial vehicles (largely diesel-powered) on the road, in conjunction with reduced ...
Premium Content (PAID Subscription Required)
"Smog study casts doubt on emission control" is part of the paid WardsAuto Premium content. You must log in with Premium credentials in order to access this article. Premium paid subscribers also gain access to:
All of WardsAuto's reliable, in-depth industry reporting and analysis
Hundreds of downloadable data tables including:
• Global sales and production data by country
• U.S. model-line inventory data
• Engine and equipment installation rates
• WardsAuto's North America Plant by Platform forecast
• Product Cycle chart
• Interrelationships among major OEMs
• Medium- and heavy-duty truck volumes
• Historical data and much more!
For WardsAuto.com pricing and subscription information please contact
Lisa Williamson by email: firstname.lastname@example.org or phone: (248) 799-2642