The Canadian dollar strengthened against the greenback on Friday, and the yield on benchmark government debt climbed. The loonie was trading 0.3% higher at C$1.3427 to the greenback, or 74.48 U.S. cents, after trading in a range of 1.3415 to 1.3483. Canadian government 10-year bond yields rose 0.8 basis points to 3.49%. The yield on similar U.S. government benchmark debt fell to 4.122%. U.S. March crude futures fell 72 cents to $76.64 a barrel on Friday.