Bloomberg Luxury developer Toll Brothers Inc. has a deal for those shopping for a condo in Manhattan: buy something soon, and we’ll pay the taxes on your purchase. The publicly traded homebuilder is offering to pay the city transfer tax and the New York state “mansion tax” — an effective discount totaling almost 2.5 percent — on deals made …

  Bloomberg A UK energy-storage startup is aiming to take on Tesla Inc. in the competition to outfit homes with affordable back-up battery power. Powervault Ltd. is preparing to boost production of its lead- and lithium-ion batteries, said Managing Director Joe Warren. The London-based company is targeting sales of 50,000 units a year by 2020, up from about 1,000 this …

  Bloomberg A smart trap for mosquitoes? A new high-tech version is promising to catch the bloodsuckers while letting friendlier insects escape — and even record the exact weather conditions when different species emerge to bite. Whether it really could improve public health is still to be determined. But when the robotic traps were pilot-tested around Houston last summer, they …