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Daniel Gray loves automobiles so much that it almost feels wrong to drive another vehicle: "I'll admit it. I love my car, but I cheat on it with a different car every week," he said.

The Belle Mead, New Jersey, resident runs the car-review Web site mpgomatic.com with a focus on fuel efficiency, but even he strays over to public transit every now and then. Nowadays, even the biggest car lovers are taking notice of energy conservation.

Readers may not realize a guy who revs engines for a living might need a ride back home after dropping off a test car in New York. In these cases, he typically takes a train most of the 55-mile trip and gets a car ride for the rest of the route.

Gray shared an iReport video explaining how he decided -- for one day only, he emphasizes -- to see whether he could go entirely without the assistance of an automobile on the return trip. His journey was successful, but he spent an extra hour fumbling around with local buses and taking an unintentional detour to a local mall. Watch how drivers ditched cars for a day

"Taking car-free trips back from the city is an eye-opener," he said, noting that the area could benefit from better bus service to get to the Princeton Junction train station. iReport.com: Car reviewer goes car-free (temporarily) Read full article »

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