Removing paint from concrete? (Need help!)

From the end of my siding, down to the ground, theres about a 24 inch area of cinderblocks, not sure what they call this around most homes. But mine has been painted by some fool before I purchased the house, and I want to remove the paint from that and the front porch.
Its already starting to peel off here and there, and I DO NOT want to chip it off and repaint it every couple of years. Most of my neighbors just have the bare cinderblocks.
Anyone know a way to remove mass amounts of paint like this around my house?
Thanks for the help!
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