Kyle Busch rolling

FORT WORTH, Texas -- Kyle Busch keeps extending streaks at Texas in search of a NASCAR first.

Busch won his fourth consecutive Nationwide Series race at the 11/2-mile, high-banked track Saturday. The dominating victory came a day after he won his fifth truck race in his last five starts in the series.

He will try to complete an unprecedented trifecta today and become the first driver to win all three of NASCAR's national series races on the same weekend.

"The hardest one is the last one," Busch said.

Busch qualified fifth for today's race at Texas, where he is 0-for-9 in Cup races.

When Busch climbed out of the car in Victory Lane on Saturday, he said he was "sorry" he won and would make it three in a row. When asked later about what reaction he expected if he did pull it off, he said he was "messing with the fans" with his comment and wasn't sure.

"People would get tired of buying tickets to the Kyle Busch show, I guess," he said. "That's two, one more to go. ... If luck is on our side and we play it smart, we could come out of here 3-for-3. That would be pretty special."

After taking the lead on the 11th of 200 laps, when he swung his No. 18 Toyota around polesitter Matt Kenseth in the first turn, Busch went on to lead 179 laps and win by 3.154 seconds over Casey Mears, who was filling in for Jeff Burton in the No. 29 Chevrolet.

Jason Leffler was third, Kenseth fourth and Brad Keselowski fifth.

Toyota talk: Toyota's withdrawal from the Formula One circuit will not affect the manufacturer's commitment to NASCAR, a company executive said Saturday.

Lee White, president and general manager of Toyota Racing Development, said the operations are separate financially.

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