Final answer:
The tone of this example is Informed, as it presents factual information about the benefits of using alternative means of transportation to decrease dependence on foreign oil.
Step-by-step explanation:
The word that best describes the tone of this example is Informed. The passage provides factual information and knowledge about the benefits of using alternative means of transportation to decrease dependence on foreign oil. It presents logical arguments with specific examples to support the benefits of taking the bus or riding a bike.