Biodiesel (fuel made from vegetable oil) burns cleaner than fossil-based fuels, it's renewable and it can be manufactured from soybeans grown here. Project Green Bus was touring the state with a vegi-car that recently came to a sad demise in an accident. They're holding a series of benefit shows to help pay the hospital bills of one of the project members and get a second vehicle. Come out for music by Komakino. 8 p.m., Nightlight, 405 1/2 Rosemary St., Chapel Hill. www.ncgreenbus.com. Call 933-5550.
Harry Potter fans can once again feed their insatiable hunger for their favorite boy wizard. The worldwide mania continues locally with the presentation of Harry Potter and the Goblet of Fire by Act One, Act Now Community Theater for Young People. Wednesday & Thursday, June 25 & 26, 6 p.m. Gerrard Hall, UNC-Chapel Hill. 489-8955.
Mission Accomplished: Proud Americans in a Time of War, a multimedia theater event focusing on reactions to the current wars in the Middle East, was created by a group of 15-plus local artists and is presented by the Durham Association for Downtown Arts (DADA). Come out to support DADA's first full theater production! Thursday-Saturday, June 26-28, 8 p.m. (reception following tonight's performance at Joe & Jo's Downtown); Sunday, June 29, 3 p.m.: PSI Theatre, Durham Arts Council, 120 Morris St., Durham. 667-0528, www.durhamdada.org.
The diabolical Biz Markie, the Brand Nubians with their funky beats, upbeat grooves and rhymes, Grand Puba, a former Brand Nubian who went solo, and the New York City rap duo Nice & Smooth are performing at the Hip Hop Classic. Triangle hip-hop lovers have reason to be ecstatic. 7 p.m., Dorton Arena, Raleigh. 806-4278. $20-$30.
A total of six bands including Kickin' Grass, Chatham County Line, Thad Cockrell and the Starlite Country Band will strut their stuff at the Blue Ribbon Bluegrass and Barbecue Festival. Radio goofballs John Boy and Billy are also involved, somehow. Music starts at 2 p.m. Tyler's Taproom, 102 E. Main St., Chapel Hill. 967-1131. $5.
Upside Down Culture is a Detroit-based art and activist collective "dedicated to creativity and revolution." They have published All the Days After: Critical Voices in Poetry and Artwork, an anthology featuring poetry by Amiri Baraka, cartoons by Kevin Moore, collage art by Nicholas Lampert, and more. The collective is touring the South and east this summer to talk about the book and along the way, they're calling upon local spoken word artists to join in. 7 p.m., Internationalist Books, 405 W Franklin St, Chapel Hill. 942-1740, www.upsidedownculture.org. Free.
Travel through icy cold space while sitting comfortably at the Morehead Planetarium Star Theater. See Life in the Universe, the planetarium's new production exploring the potential for life beyond Earth, DNA: The Secret of Life and Sky Safari, and experience meteor showers and cosmic arrays through N.C. photographer Johnny Horne's lens in his Backyard Universe exhibit. Tuesday-Sunday, times and costs vary. Morehead Planetarium, 250 E. Franklin St., Chapel Hill. 549-6863. www.moreheadplanetarium.org.