Final answer:
The reserved left lane for vehicles with two or more occupants or hybrid/low emission vehicles is a transportation concept to promote carpooling and sustainable transportation options.
Step-by-step explanation:
The reserved left lane for vehicles with two or more occupants or hybrid/low emission vehicles is a concept in transportation systems. In the United States, transportation accounts for a significant portion of emissions, with a focus on reducing carbon emissions and improving fuel efficiency.
The purpose of the reserved lane is to incentivize carpooling or using environmentally friendly vehicles, such as hybrids, to reduce congestion and promote sustainable transportation options.