Is driving one of the biggest issues related to the human component of global warming. Hope it cools off a bit here soon so we can all get back to the status quo. Roasted Australia: Hottest Days on Record for the Continent | Weather Underground
Analysis: Why US carbon emissions have fallen 14% since 2005 | Carbon Brief “Transport is the second largest source of US carbon emissions after electricity generation. It includes personal vehicles, corporate fleets, trucks, aviation, public transport, ships and any other mobile emission source.” So.... Private passenger cars are a fairly big source...but not nearly the largest.
Hundreds of villages submerged, Riau declares state of emergency as severe weather leaves at least 6 dead and over 62 000 affected, Indonesia NSW RFS (@NSWRFS) | Twitter
In the United States, yes: Transportation (28.9 percent of 2017 greenhouse gas emissions) – The transportation sector generates the largest share of greenhouse gas emissions. Greenhouse gas emissions from transportation primarily come from burning fossil fuel for our cars, trucks, ships, trains, and planes. Over 90 percent of the fuel used for transportation is petroleum based, which includes primarily gasoline and diesel.2 Sources of Greenhouse Gas Emissions | Greenhouse Gas (GHG) Emissions | US EPA
And of the transportation slice, 59% is light duty vehicles, or cars. Fast Facts on Transportation Greenhouse Gas Emissions | Green Vehicle Guide | US EPA
17-18%? And remember.....this segment also includes "light duty trucks" If one could determine the percentage of "light duty" vehicles that are not privately owned then the real carbon throughput for POVs might be guestimated.....but until THEN - the answer to the OP's question might have to include dot.gov vehicles, commercial delivery vehicles, etc. Just as the low hanging fruit for l5 is self driving semi trucks on the interstate, similar grapes are also present with services like Amazon, UPS/FEDEX/USPS, in the 10,000# GVW world. Numbers don't lie.....but sometimes....
