* "The new policy is expected to reduce traffic congestion. Furthermore, it will also improve air quality." (This sentence adds a second benefit to the initial point.)
* "The evidence suggests that the defendant was not at the scene of the crime. Furthermore, there are witnesses who can corroborate his alibi." (This sentence adds further support for the initial claim.)
* "The restaurant offers a wide variety of dishes to choose from. Furthermore, the service is excellent and the atmosphere is inviting." (This sentence adds more details about the positive aspects of the restaurant.)
Remember that "furthermore" is typically used to connect two or more related ideas and should not be used to introduce a completely unrelated topic.