Sealing concrete driveways?

hello, my question is.. i just did my driveway with colored concrete on 10-3-10 m/d/y. my question is what is my best way to seal the concrete from the weather? I live in ottawa canada so the weather as everbody knows is diffrent from season to season .I would like to protect it from all kinds of stains like oil,... show more hello, my question is.. i just did my driveway with colored concrete on 10-3-10 m/d/y. my question is what is my best way to seal the concrete from the weather? I live in ottawa canada so the weather as everbody knows is diffrent from season to season .I would like to protect it from all kinds of stains like oil, gas, ect.but also the weather condtions from the warm to the cold weather we have here, any help would be very helpfull........thx.
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