Here is a look at some of the transportation headlines gathered by us and the Metro Library. The full list of headlines is posted on the library’s blog.

Transit investment falloff hurts business (Railway Age)

A study released Wednesday by the American Public Transportation Association (APTA) says 74 percent of private sector businesses serving the public transit industry incurred flat or declining business during the past year, which APTA attributes to uncertainty in federal investment, a struggling economy and a lack of investment on the state and local level. The average drop: 25 percent.

Meeting explores ways of connecting rail system to LAX (Daily Breeze)

There was no wrong way to offer suggestions on how Metro should one day connect its light rail system to Los Angeles International Airport. And a few of the more artistically inclined attendees of the county Metropolitan Transportation Authority’s Tuesday night workshop picked up the pipe cleaners, plastic building blocks and other art supplies that covered a center table, and started building their own “model” mass transit systems.

What’s greener? Raising the gas tax or fuel-efficiency standards? (Infrastructurist)

The Obama administration recently announced that it was gradually raising fuel-efficiency standards to 54.5 miles per gallon by 2025. That’s good news for the environment, but it’s not the best possible news for the environment, argues Eric Morris at Freakonomics. That would be raising the federal gas tax.