This trailer is a remix of the film Blade Runner in the film noir style. But that's not exactly it -as the creator Chet Desmond and commenters point out, Blade Runner is already a film noir, just in a futuristic sci-fi setting. Desmond says,
Just wanted to clarify that this isn't meant to be a radical re-imagining of the film or a recreation of a 40's-style trailer. As many have pointed out, Blade Runner is already very "Noir." I just wanted to take those aspects of the film and accentuate them into something hopefully interesting.
As an old movie buff, I thought it was lovely. And fan films like this might interest young people, like my kids, who believe anything from the era of black and white is not worth their time. -via Geeks Are Sexy