Green Car Congress

JUNE 27, 2014

After ten years in orbit, the Ozone Monitoring Instrument (OMI) on NASA’s Aura satellite has been in orbit sufficiently long to show that people in major US cities are breathing less nitrogen dioxide. More before-and-after images are available on flickr. It’s also a good proxy for the presence of air pollution in general.

Ozone 210

Ozone Maryland Aura Pollution 210

The Truth About Cars

JUNE 12, 2023

Finally, in a Denver-area boneyard , I found this battered '93 GXE sedan. We can assume that generous rebates and discounts were available on new '93 Stanza Altimas. It appears that no airbags were available on any first-year Stanza Altimas here. The original Altima was the replacement for the U12 Bluebird -derived Stanza here.

Nissan 98

Nissan Carbon Fiber Denver Ozone 98

Green Car Congress

JULY 29, 2015

Google Street View cars can be equipped with Aclima’s mobile sensing platform to measure nitrogen dioxide; nitric oxide; ozone; carbon monoxide; carbon dioxide; methane; black carbon; particulate matter; and Volatile Organic Compounds (VOCs). Sample output from the Denver pilot. Click to enlarge.

Google 150

Google San Francisco Denver Vehicles 150

Green Car Congress

JULY 28, 2011

This significant reduction would largely be accomplished by capturing natural gas that currently escapes to the air and making that gas available for sale through technologies and processes already in use by several companies and required in some states. Details on the hearings will be announced soon.

Escape 186

Escape Gas EPA Oil 186