There are many ways to go from here to there.
And the mode of transportation we choose can have a big impact. It can affect time, comfort, cost, and other factors. But how we travel can also have a big impact on the planet.
In the U.S., the transportation sector is responsible for about 28 percent of total greenhouse gases, according to the EPA. That's the largest contributor, just edging out the energy sector.
And although cleaner alternatives are coming on board, such as electric cars and biofuels, over 90 percent of the fuel used for transportation in the U.S. remains derived from petroleum.
In this graphic, we break down the most efficient ways to travel on a typical trip:
- Nat Geo Expeditions