State Treasurer Ken Miller says it appears Oklahoma's economic engine is hitting on all cylinders. He says June revenue collections hit a new record high at $1.1 billion. He says collections during the past 12 months also hit a record high at $12.18 billion. He says the 12-month report shows growth in all major revenue streams. The report for June collections shows growth in individual and corporate income taxes, along with sales tax and gross production taxes on oil and natural gas.