Curly quotes and apostrophes, em dashes, etc. show up as â in text view

Some sites have unicode characters that show up incorrectly in text view. For example, on this page:…

This text shows up on the page itself:

Daryoush Allaei, Sheer Wind’s chief technical officer, told DNews that a utility-scale system of these wind turbines — that is a 100 to 500 MW power plant — the cost could be as low as 1 cent per KWh.

But it becomes this in Newsblur:

Daryoush Allaei, Sheer Windâ