The delivery truck that hauls your overnight package could soon be doing the job without the engine running half of the time.

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Epic Games will offer the free edition of its Unreal Engine 3, including a suite of game-making tools, together in package called the Unreal Development Kit, starting tomorrow to game and application developers for the iPhone (3GS and 4), iPad and iPod touch (3rd and 4th generation).

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Second, the announcement this week of a massive fiscal-stimulus package suggests the government does intend to do what it can to keep its own economic engine purring.

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