Engineering publications brought to you by Mark Allen

Policy & business

Third runway or kangaroo farm? You decide

Allocate Software buys Dynamic Change

BT invests in fibre optics

Conservatives and Lib Dems unveil environmental agreement

Toyota posts more than £1bn profit

Toray signs EADS deal

Laws may harm private-equity firms

Apple iPad 'infringes on copyright'

Call for consensus on deficit

Evan Harris on Lib Dem science policy

CBI reports rising goods demand

Ship-shape team is carbon conscious