Estimated read time: 3-4 minutes KEY TAKEAWAYS

David Sparks, known as Heavy D from "Diesel Brothers," was released from custody.

Sparks criticized Utah Physicians for a Healthy Environment's lawyers.

He alleges the legal battle was about exposing systemic abuse, not avoiding payments.

SALT LAKE CITY — David William Sparks, also known as "Heavy D" from the TV show "Diesel Brothers," says he feels "vindicated" after being released from federal custody.

Sparks, 40, of Bountiful, took to social media over the weekend to go on the offensive against lawyers representing the Utah Physicians for a Healthy Environment group.

The dispute dates back to 2017 when the physicians group — a private group and not a state regulator — sued several people, including Sparks and Sparks Motors LLC, under

See Full Page