Where we are
Currently, the personal vehicle is the primary means of transportation. While this is pretty convenient, it is not very efficient. As stated on the Why It's Important
page, personal transportation is a huge part of our total transportation greenhouse gas emissions.
The personal vehicle is the primary means of transportation
Current State of Transport
The charts below show the commuting decisions made by Americans in 1980, 1990, and 2000, as well as the increase in vehicle-miles-travelled per year. In general, there has been a movement towards more people commuting alone and in general an increase in Vehicle Miles Travelled, although there was a recent drop, likely due to recent increases in gasoline prices.
Not everyone has great access to public transport or lives in bikeable or walkable cities. Currently, about two-thirds of rural Americans
totaling approximately 60 million people are totally unserved by public transportation. There are many areas of the world that have heavy traffic but nothing in the way of sidewalks or bike lanes that would make bicycling or walking more reasonable options.
If anyone wants to know, grass is tasty. That's why we dogs eat it sometimes. No other reason. Just tasty.