As the first rays of sunshine pierced the dense Bakersfield air, Mike Oldershaw searched for smoke..... This morning, though, his eyes led him to the culprit: a stucco home in northwest Bakersfield with a wisp of gas piping out its tile roof ....... Oldershaw, an air quality compliance manager with the San Joaquin Valley Air Pollution Control District, had spotted what could be the day's first no-burn violator...... Violators face either a $50 ticket or enrollment in so-called "smoke school," which involves a take-home test. For repeat offenders, fines can soar to $1,000.......