Editor’s note: Do you need something to smile about? Every day, WND selects the best joke offered up by readers and contributors to its Laughlines forum and brings it to you as the WND Joke of the Day. Here is today’s offering:

While driving in Pennsylvania, a family caught up to an Amish carriage.

The owner of the carriage obviously had a sense of humor, because attached to the back of the carriage was this hand-printed sign:

Energy-efficient vehicle
Runs on oats and grass
Caution: Do not step on exhaust
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