The Vampire Evolution Trilogy

Vampires are so long lived they can direct their own Evolution, but unknowing there are two different factions. The first is trying to live with their human neighbors, the other wants to destroy them. When they meet, a war begins will determine mankind's fate.

Death of an Immortal (BOok 1)

The most powerful and feared vampire disappeared at the height of his powers and passed into legend. Most vampires think he's dead. He is not dead. Terrill has gone into hiding to evade his bitter enemy's wrath, and has vowed never to kill another human. But one night his vampire nature reasserts itself, and he kills an innocent young woman.
Instead of running, he sets out to make amends. His quest for redemption goes terribly wrong, and Terrill finds himself reduced to hiding in woodsheds and caves. Soon both humans and vampires are chasing him. His only hope lies in the most downtrodden of men and women, and in the mercy of a girl who has little reason to forgive him, and every reason to hate him.

Rule of Vampire (Book 2)

Jamie is on the run.
Nobody taught her how to be a vampire; no one told her the Rules of Vampire. How was she supposed to know her limits? Now the vampire hunters want her dead, and the Council of Vampires is looking for her, too.
Every human Jamie bites becomes a vampire, and the feral Wilderings she creates are rampaging through the town of Crescent City. To stop this infestation the legendary Terrill joins forces with the Vampire Council and confronts the danger.
But something unexpected happens along the way. Terrill becomes the first of a new breed--a golden Vampire who can walk in the sunlight.

Blood of Gold (book 3)

Terrill was the most ruthless of vampires, but over the long centuries of his existence he has evolved into a Golden Vampire, renouncing violence, able to walk among humans and in sunlight.
What he didn't know--what no one knew--was that the evolution was directed by forces bigger than himself.
Terrill and others of his kind have evolved into a higher form of vampire, but another type of vampire has emerged, too. Shadow Vampires can walk in sunlight, for they carry the darkness with them, in their souls and their bodies.
And they are determined to destroy everyone in their way, especially the Golden Vampires... who are the only ones who can stop them.