Gurgaon-based Atul Sharma who works in a government office had been meaning to buy a second car for the household. Not wanting to spend on a new car, he decided to visit Mahindra First Choice, a multibrand dealership of pre-owned cars. A satisfied Sharma walked out of the showroom with a six-year-old, 40,000 km-travelled Santro Xing for Rs 2 lakh.

Delhi: The 2010 Auto Expo had at least seven efficient 'green' passenger cars out on stage. But the eco-friendly cars won't be seen in India anytime soon due to a range of infrastructure issues. Here are the challenges that each class will face in India.

CNG CARS

* Inadequate refuelling stations across cities.
* Bulky CNG kits often eat into boot space of cars.

HYBRID VEHICLES

In 2006, Vikram Puri, CEO of Mahindra Shubhlabh, contracted farmers in Punjab to grow basmati rice for Rs 1,350 per quintal. Global demand, supply fluctuations and local speculative buying pushed the prices to Rs 1,400-1,500 per quintal and about 2,000 farmers in Jalandhar and Kapurthala reneged on their contracts, causing a loss of Rs 3.6 lakh in actuals and Rs 27 lakh in opportunity cost.

Delhi: Hardware companies are on the hunt for the best e-waste disposal mechanisms. The waste from discarded computers, TVs and mobiles is projected to grow to over 8,00,000 tonnes by 2012.

After Wipro, Nokia and Philips, Hewlett-Packard

Forest guards use mobile ringtones to capture rogue leopards wandering into human settlements

Two Rajasthan high court advocates, Madhav Mitra and R.S. Chauhan, under the auspices of NGO Public Action Group, have filed a public inerest litigation demanding that packaged food companies, like soft drink makers, be directed to print the exact level of pesticide content on the food packs. A bench comprising S.K.