AirTran Holdings, a discount carrier that flies mainly on the East Coast, will delay the delivery of 18 Boeing 737 jets as it pares expansion...

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AirTran Holdings, a discount carrier that flies mainly on the East Coast, will delay the delivery of 18 Boeing 737 jets as it pares expansion to blunt rising fuel bills.

The planes will arrive in 2013 and 2014 instead of 2009 through 2011, the Orlando, Fla.-based airline said Friday.

The decision made AirTran the second U.S. airline this week to delay new planes, after JetBlue Airways said it would push back receipt of 21 Airbus A320 jets by three years.

Amazon.com

5,000 more books for Kindle readers

Amazon.com said Friday that publisher Simon & Schuster will make 5,000 more books available for the Amazon Kindle wireless reader, bumping to 125,000 the number of titles users can download and read.

The online retailer cut the Kindle’s price by $40 to $359 Tuesday but still won’t say how many have sold. The company also refuses to divulge the number of e-books it has sold.

PhysioSonics

$4 million raised for product launch

Medical-device developer PhysioSonics raised $4 million in a financing round that will help it launch its first commercial product, the company said Friday.

Johnson & Johnson Development, the venture-capital unit of the New Jersey-based pharmaceutical giant, led the round, although other angel investors also participated, said PhysioSonics CEO Brad Harlow.

The Seattle company plans to get its neurologic ultrasound device to market in about two years after it passes muster with federal regulators, Harlow said. The money will last the company 18 to 24 months.

PhysioSonics has seven full-time employees, but its payroll may go up to 15 workers within 12 months, Harlow said.

Microsoft

Brazil, India join protest over format

Brazil and India have appealed a decision to make Microsoft’s Office Open XML format an internationally recognized standard for electronic documents.

The International Electrotechnical Commission said Friday that three countries have now formally protested last month’s approval of the standard.

South Africa complained last week that the balloting procedure conducted by the Geneva-based IEC and global-standards body ISO was poorly conducted and rushed.

Microsoft wants the file format used in its Office 2007 program to be approved as an open standard so that it can apply for lucrative government contracts that require this designation.

Compiled from Bloomberg News, The Associated Press and Seattle Times staff