BusinessGreen.com Most Read – 12 June

US sales stall, but Prius is still big in Japan

Toyota's iconic Prius, beloved by environmentalists and right-on movie stars, saw its mainstream status well and truly cemented this week

Tesla to open seven more stores

Electric vehicle company Tesla is to expand out of its northern Californian base, opening seven regional sales and service centres

Texas sets back solar by at least two years

The Texas legislature disappointed environmental groups this week as it failed to pass the bulk of legislation designed to promote solar energy in the state

Student invents solar tower storage system

An engineering student claims to have found a way to store solar energy – the Holy Grail of solar technology

Government must tell truth about energy prices, says RWE npower

The government has so far failed to warn consumers that decarbonising the UK's electricity supply will involve significant price hikes, according to the chief executive of RWE npower.

Cap-and-trade bill to generate hundreds of billions in revenue

The US government's proposed cap-and-trade legislation will create almost $900bn (£560bn) in extra revenue over the next nine years

New data confirms UK will double Kyoto emission targets

New data shows the UK is on track to deliver emission cuts that are almost double its obligations under the Kyoto Protocol

Mandelson: politics of climate change must focus on opportunity

The politics of climate change must be focused on the economic opportunities, says Mandelson

Guidance on reporting emissions published

The UK government last week launched draft guidance on how organisations should report their greenhouse gas emissions

Australia puts the brakes on solar rooftop panel rebate

Australia's federal government has abruptly ended an $8,000 (US$6,300, £3,940) rebate on solar panels